Reference

Configuration

config.yml key by key, how an older file is migrated, what messages.yml and scoreboards.yml hold, and where the menus and the database are set.

Everything is generated in plugins/ExyliaAimTrainer/ on first boot, with comments. Edit the files there, never the copies in the jar. Times are seconds with decimals unless a key says ticks; twenty ticks are one second. Distances and sizes are blocks. Colours use palette tokens such as {primary} or {success}.

config.yml

Sixteen drills ship; two are shown here. The whole list, and what each number does to a drill, is on Drills.

plugins/ExyliaAimTrainer/config.yml

training:
  countdown: 3.0
  rest-seconds: 5.0
  default-drill: gridshot
  allowed-commands: [aim, aimtrainer, at, msg, r, tell, w]
 
drills:
  gridshot:
    display-name: Gridshot
    icon: LIME_CONCRETE
    description: Three targets on a 3×3 grid.
    kind: FLICK
    weight: 1.0
    duration: 30.0
    targets: 3
    size: 0.8
    height: 0.0
    distance:
      min: 6.0
      max: 6.0
    spread:
      yaw: 0.0
      pitch-min: 0.0
      pitch-max: 0.0
    grid:
      columns: 3
      rows: 3
      spacing: 11.0
    lifetime: 0.0
    ordered: false
    return-to-centre: false
    min-separation: 0.0
    weapon: ""
  # scatter, sixshot, microshot, spidershot, flick, precision, decay, switch,
  # strafe, reaction, tracking, evasive, combo …
  combo_19:
    display-name: Combo 1.9
    icon: DIAMOND_SWORD
    description: Hit only on a fully charged swing.
    kind: COMBO
    weight: 1.4
    duration: 30.0
    targets: 1
    size: 0.6
    height: 1.8
    distance:
      min: 3.0
      max: 3.5
    spread:
      yaw: 0.0
      pitch-min: 0.0
      pitch-max: 0.0
    lifetime: 0.0
    ordered: false
    return-to-centre: false
    min-separation: 0.0
    weapon: DIAMOND_SWORD
    motion:
      speed-min: 1.5
      speed-max: 3.5
      acceleration: 8.0
      arc-degrees: 60.0
      switch-min-ticks: 6
      switch-max-ticks: 18
      hop-chance: 0.0
      hop-height: 0.0
      hop-ticks: 10
    combo:
      knockback: 0.9
      knockback-up: 0.4
      approach-speed: 4.5
      combo-window: 1.0
      attack-cooldown: true
  # axe …
 
settings:
  size:
    min: 0.1
    max: 2.5
    step: 0.05
    default: 1.0
  distance:
    min: 0.25
    max: 3.0
    step: 0.05
    default: 1.0
  colours:
    lime:
      name: Lime
      dye: LIME
      glow: "#8fffc1"
    # red, orange, yellow, cyan, blue, purple, magenta, white, black
  styles:
    concrete:
      name: Concrete
      suffix: CONCRETE
      material: ""
    # wool, glass, terracotta
    lantern:
      name: Sea lantern
      suffix: ""
      material: SEA_LANTERN
    # target
  default-colour: lime
  default-style: concrete
  spawn-animation-ticks: 2
 
scoring:
  hit-points: 10
  miss-penalty: 4
  expire-penalty: 6
  false-start-penalty-millis: 150
  reaction-reference-millis: 250
  reaction-scale: 1000
  tracking-scale: 10
  combo-points: 5
  size-exponent: 1.0
  distance-exponent: 0.75
  min-difficulty: 0.25
  max-difficulty: 6.0
 
performance:
  flick:
    perfect: 0.3
    excellent: 0.45
    good: 0.65
    ok: 0.9
  reaction:
    perfect: 0.2
    excellent: 0.26
    good: 0.33
    ok: 0.42
 
feedback:
  perfect:
    effect:
      action-bar:
        text: "{success}⚡ PERFECT {muted}· {letters}%time%s {muted}· {info}x%streak%"
        duration: 1.5
        time-style: auto
      sound:
        name: ENTITY_EXPERIENCE_ORB_PICKUP
        volume: 0.7
        pitch: 1.8
        category: MASTER
    chat: ""
  # excellent, good, ok and slow have the same shape.
  miss:
    action-bar:
      text: "{error}✘ MISS {muted}· {letters}%accuracy%% accuracy"
      duration: 1.5
      time-style: auto
    sound:
      name: ENTITY_PLAYER_ATTACK_NODAMAGE
      volume: 1.0
      pitch: 1.0
      category: MASTER
  # expired, false-start, armed, rushed, countdown, go, session-complete,
  # personal-best, match-found, round-won, round-lost, round-draw,
  # match-won and match-lost are effects of the same shape.
 
hud:
  boss-bar:
    enabled: true
    text: "{primary}&l%drill% {muted}· {letters}%time% {muted}· {success}%hits% {letters}hits {muted}· {info}%accuracy%% {muted}· {highlight}%score% pts"
    colour: PURPLE
    overlay: PROGRESS
    refresh-ticks: 5
  experience-bar: true
  hotbar: true
  hit-particle: "ELECTRIC_SPARK|8|0.15|0.15|0.15|0.05"
 
match:
  formats: [1, 3, 5]
  default-format: 3
  allow-even-formats: false
  use-preferences: false
  round-delay: 3.0
  result-delay: 5.0
  duel-request-expiry: 30.0
 
practice:
  train-while-queued: true
  queue-prompt: true
  ranked-only: false
 
leaderboard:
  entries: 10
  cache-seconds: 300
  accuracy-min-shots: 20
 
history:
  entries: 20
  retention-days: 30
  prune-interval-minutes: 60
 
arena:
  max-players-per-arena: 0
  return-location: ""
 
chat:
  isolation: true
 
debug: false

`training`

Key	Default	What it does
`countdown`	`3.0`	Seconds before the first target is live, in a drill and in every duel round. A punch skips it.
`rest-seconds`	`5.0`	Seconds a player may stay idle in the arena after a drill ends before being sent home. Replaying from the summary or the hotbar starts the drill again; a screen the player opened themselves — settings, the drill list — keeps them there and starts the wait over.
`default-drill`	`gridshot`	The drill `/aim train` starts without a name. An id that is not in `drills` falls back to the first drill listed.
`allowed-commands`	`[aim, aimtrainer, at, msg, r, tell, w]`	Command labels a player may still run while in a drill or a duel. A `plugin:command` prefix is stripped before the check. Everything else is refused with `command-blocked`.

`drills`

One block per drill; a new key is a new drill, no code involved. The key is the drill id used by commands, records, boards and placeholders. Menus list drills in file order, and a duel sent with /aim duel <player> and no drill plays the first one. See Drills for how the four kinds use these numbers.

An empty drills section brings the shipped ones back

If drills is missing or empty when the file is read, the sixteen shipped drills are used. To offer fewer, delete the blocks you do not want and keep at least one.

Key	Rule	What it does
`display-name`		What players see. Palette tokens allowed.
`icon`	Blank is `TARGET`.	Material or head used in menus.
`description`		One line shown under the drill in menus.
`kind`	Missing is `FLICK`.	`FLICK`, `REACTION`, `TRACK` or `COMBO`.
`weight`	Zero or less is `1.0`.	How hard the drill is by itself; multiplies the rating of every session.
`duration`	Zero or less is `30.0`.	Seconds a session lasts. A `REACTION` drill ends on its attempts; this is its cap.
`targets`	At least `1`.	Targets on screen at once. `FLICK` only; the other kinds use one.
`size`	Zero or less is `0.8`.	Edge of a target in blocks, before the player's size setting.
`height`	At least `0`.	Height of a target, or `0` for a cube. The player-shaped targets ship with `1.8`.
`distance.min`, `distance.max`	`min` at least `1.0`; `max` at least `min`.	How far from the eyes a target is placed, before the player's distance setting.
`spread.yaw`	`0` to `340`.	Total horizontal spread in degrees around where the player faces: `60` is 30 to either side.
`spread.pitch-min`, `spread.pitch-max`	`-80` to `80`; `max` at least `min`.	Lowest and highest elevation; negative is below eye level.
`grid`	Left out unless used.	`columns`, `rows`, `spacing`: targets on fixed cells straight ahead instead of anywhere in the spread. `columns: 0` turns it off; with columns, `rows` is at least `1` and a `spacing` of zero or less is `10.0` degrees.
`lifetime`	At least `0`.	Seconds a `FLICK` target stays up before it counts as expired. `0` never expires.
`ordered`		`FLICK` only: targets come in order and only the lit one counts; the rest are misses.
`return-to-centre`		`FLICK` only: every other target sits dead ahead.
`min-separation`	At least `0`.	Degrees kept between two targets on screen.
`weapon`		A material put in the player's hand for the drill. Empty keeps the hand empty.
`motion`	Left out unless used.	A strafing target: `speed-min`, `speed-max` (blocks per second; `0` turns it off), `acceleration`, `arc-degrees`, `switch-min-ticks`, `switch-max-ticks`, `hop-chance` (`0` to `1`), `hop-height`, `hop-ticks`. With a `speed-max` above zero, an `acceleration` of zero or less is `8.0`, an `arc-degrees` of zero or less is `60.0`, and the tick keys are at least `1`.
`reaction`	Left out unless used.	`min-delay` (at least `0.2`), `max-delay` (at least `min-delay`), `attempts`. `attempts: 0` turns it off.
`combo`	Left out unless used.	`knockback` (`0` turns it off), `knockback-up` (zero or less is `0.4`, at most `1.0`), `approach-speed` (zero or less is `4.0`), `combo-window` (zero or less is `0.7`), `attack-cooldown`.

A section that is off is left out of the file when it is written.

`settings`

The ranges and choices a player picks from in /aim settings. See Settings.

Key	Default	What it does
`size`	`0.1` – `2.5`, step `0.05`, default `1.0`	Target size as a multiplier of the drill's own. `min` is at least `0.01`, `max` at least `min`; `step` is what one click moves, between `0.01` and the width of the range; `default` is what a player who never changed it uses, brought inside the ends. Anything between the ends can also be typed.
`distance`	`0.25` – `3.0`, step `0.05`, default `1.0`	Target distance as a multiplier, with the same rules.
`colours`	ten colours	One block per colour; the key is what the player's row stores. `name` is shown, `dye` is the Minecraft colour prefix a style is combined with, `glow` is the outline as `#rrggbb`. An empty map brings the shipped ten back.
`styles`	six styles	One block per style. `suffix` is combined with the colour's `dye` (`LIME` + `CONCRETE`); a style with a `material` of its own ignores the colour and always draws that block. An empty map brings the shipped six back.
`default-colour`, `default-style`	`lime`, `concrete`	What a new player gets. An id that does not exist is the first key of its map.
`spawn-animation-ticks`	`2`	Ticks a target takes to grow in. `0` to `20`; `0` pops it in at once.

A player whose stored size, distance, colour or style falls outside what the file now offers is brought back inside it, so narrowing a range never strands anybody.

`scoring`

How a session becomes a score, and a score a rating. The formulas are on Scoring.

Key	Default	Floor	What it does
`hit-points`	`10`	`1`	`FLICK` and `COMBO`: points per hit.
`miss-penalty`	`4`	`0`	Points lost per miss.
`expire-penalty`	`6`	`0`	Points lost per target that expired.
`false-start-penalty-millis`	`150`	`0`	`REACTION`: milliseconds added to the average per click before the light.
`reaction-reference-millis`	`250`	`1`	`REACTION`: an average this fast scores exactly `reaction-scale`.
`reaction-scale`	`1000`	`1`
`tracking-scale`	`10`	`1`	`TRACK`: points per percent of the session spent on target.
`combo-points`	`5`	`0`	`COMBO`: extra points for a hit that extends a combo.
`size-exponent`	`1.0`		Difficulty is `(1 / size multiplier)` to this power.
`distance-exponent`	`0.75`		…times `distance multiplier` to this power.
`min-difficulty`, `max-difficulty`	`0.25`, `6.0`	`0.01`; `max` at least `min`	The difficulty a session is clamped to, whatever the settings say.

`performance`

How a single hit is graded, for feedback only; grades do not change the score. A threshold is the slowest time, in seconds, that still earns that grade. Slower than ok is slow.

Key	Default	Measures
`flick`	`0.30 / 0.45 / 0.65 / 0.90`	The time from the previous hit to this one.
`reaction`	`0.20 / 0.26 / 0.33 / 0.42`	The time from the target lighting up to the hit.

`feedback`

Every entry is an ExyliaLib effect: title, action-bar, boss-bar, sound, particle and firework, each optional. A sub-section that does nothing is left out of the file, and removing a section keeps that channel quiet.

Key	Fires when	Placeholders
`perfect`, `excellent`, `good`, `ok`, `slow`	A hit earned that grade. Each has an `effect` and a `chat` line, empty for none.	`%grade%`, `%time%` (seconds, two decimals), `%hits%`, `%streak%`, `%combo%`, `%accuracy%`
`miss`	A click that hit nothing.	the same, `%grade%` empty
`expired`	A `FLICK` target ran out of time.	the same
`false-start`	A `REACTION` click before the light.	the same
`rushed`	A `COMBO` hit inside the attack cooldown.	the same
`armed`	A `REACTION` target lit up.	—
`countdown`	Counting down before the first target; refreshed with the time left.	`%time%`
`go`	The first target is live.	—
`session-complete`	A drill ended.	—
`personal-best`	The run beat the player's best rating on that drill.	`%rating%`
`match-found`	Both duellists have arrived in the arena.	—
`round-won`, `round-lost`	A round was decided.	—
`round-draw`	A round ended without a winner and is replayed.	—
`match-won`, `match-lost`	The duel was decided.	—

Players can switch channels off for themselves: with Hit feedback off, the action bar of the grade, miss, expired, false-start, rushed and armed effects is dropped; with Hit sounds off, their sound. The title, the boss bar, the particle, the firework and the grade's chat line are always played. The very first hit of a session has no time to grade and plays only the sound of good.

The effect keys are ExyliaLib's; see the library's effects page.

`hud`

Key	Default	What it does
`boss-bar.enabled`	`true`	Whether a boss bar shows during a drill or a round. Each player can also turn it off.
`boss-bar.text`	drill · time · hits · accuracy · score	Knows `%drill%`, `%time%`, `%hits%`, `%misses%`, `%accuracy%`, `%score%`, `%streak%` and `%opponent_score%`. Its progress is the time left.
`boss-bar.colour`	`PURPLE`	`PINK`, `BLUE`, `RED`, `GREEN`, `YELLOW`, `PURPLE` or `WHITE`.
`boss-bar.overlay`	`PROGRESS`	`PROGRESS`, `NOTCHED_6`, `NOTCHED_10`, `NOTCHED_12` or `NOTCHED_20`.
`boss-bar.refresh-ticks`	`5`	Ticks between two redraws. At least `1`.
`experience-bar`	`true`	The seconds left on the experience bar. One packet a second; the real experience is sent back on exit.
`hotbar`	`true`	The Change drill, Settings, Play again and Leave buttons drawn over the hotbar, from `menus/hotbar.yml`.
`hit-particle`	`ELECTRIC_SPARK\|8\|0.15\|0.15\|0.15\|0.05`	Particles where a target was hit, in ExyliaLib's particle notation. Empty for none. Each player can turn them off.

The sidebar lives in scoreboards.yml. See HUD.

`match`

Key	Default	What it does
`formats`	`[1, 3, 5]`	Best-of lengths offered in the duel screen and accepted by `/aim duel`. An empty list is `[3]`.
`default-format`	`3`	The length used when a command leaves it out and when a player has not picked one before. Keep it in `formats`: it is not corrected if it is not.
`allow-even-formats`	`false`	Whether even lengths in `formats` are offered at all.
`use-preferences`	`false`	Whether a duel keeps the challenger's size and distance. `false` plays the drill as written for both.
`round-delay`	`3.0`	Seconds between a round ending and the next countdown.
`result-delay`	`5.0`	Seconds the result stays on screen before both players are sent back.
`duel-request-expiry`	`30.0`	Seconds a request stays open. Never less than one.

See Duels.

`practice`

Only read when ExyliaPracticeCore is installed. See Compatibility.

Key	Default	What it does
`train-while-queued`	`true`	Lets a player waiting in a practice queue start a drill; they are handed back the moment a match is found. `false` refuses them with `cannot-borrow`.
`queue-prompt`	`true`	Sends the `practice.queue-prompt` lines to a player who joins a queue. Needs `train-while-queued` on, and is skipped for a player already in a drill or a duel.
`ranked-only`	`false`	Only prompt in ranked queues.

`leaderboard`

Key	Default	What it does
`entries`	`10`	Rows shown per board.
`cache-seconds`	`300`	Seconds a board is kept before the database is asked again. Never less than five. A new personal best drops the cached boards at once.
`accuracy-min-shots`	`20`	Shots a session needs before its accuracy can become the player's best accuracy on that drill.

`history`

Key	Default	What it does
`entries`	`20`	Rows shown in `/aim sessions` and in `/aim history`, each.
`retention-days`	`30`	Session and duel rows older than this are deleted. `0` keeps everything.
`prune-interval-minutes`	`60`	How often the prune runs. At least `1`; the first sweep is a minute after start.

`arena`

Key	Default	What it does
`max-players-per-arena`	`0`	Players one arena hosts at once: one per drill, two per duel. `0` is unlimited. A new drill goes to the ready arena with the fewest players.
`return-location`	empty	Where a player is sent after leaving, as `world,x,y,z` or `world,x,y,z,yaw,pitch`. Empty sends them back to where they came from.

`chat`

Key	Default	What it does
`isolation`	`true`	Keeps a drill's or a duel's chat inside it: whoever is in one reads only that one, and the rest of the server reads none of it. Read per message, so a reload applies it at once. `false` leaves chat as the server's chat plugin delivers it.

`debug`

false by default. true prints debug lines to the console.

When the file is from an older version

config.yml carries a version, and a file written by an older release is migrated on load. Each step only moves what is still exactly as shipped; a value you changed and a drill you added are never touched.

From	What changes
1	Shipped drills still at their old duration (60 or 45 seconds) run 30 seconds. The quiet note-block `miss` and `rushed` sounds, if still at their old values, become `ENTITY_PLAYER_ATTACK_NODAMAGE` and `ENTITY_PLAYER_ATTACK_WEAK`.
2	Shipped drill descriptions still reading as shipped are replaced by the shorter lines.
3	A `gridshot` without a `grid` block is copied to a new `scatter` drill and `gridshot` becomes the 3×3 grid, unless `scatter` already exists. Every `combo.cooldown-ticks` becomes `combo.attack-cooldown` (`true` for any value above zero). `combo` and `combo_19` get `weapon: DIAMOND_SWORD` if they have none, and their names and descriptions are updated if unchanged. `sixshot`, `microshot`, `spidershot` and `axe` are added if missing.
4	`training.rest-seconds` still at the old `20` becomes `5`.

messages.yml

Every line the plugin says. %prefix% expands to the prefix value at the top of the file, {primary}&lAIM &8•&r by default. Colours are palette tokens; MiniMessage tags work too, and the duel request uses <click> and <hover> for its Accept and Decline buttons.

A line may open with an effect tag, which never reaches the screen. [sound:NAME|volume|pitch] plays a sound to whoever receives the line; the defaults use ENTITY_VILLAGER_NO for a refusal, ENTITY_EXPERIENCE_ORB_PICKUP for something that worked and BLOCK_NOTE_BLOCK_PLING for something that wants attention. [center] centres the line in chat, as the duel request and the queue prompt do; two tags share one bracket, [center; sound:…].

Section	Holds
`no-permission`, `player-only`, `player-not-found`	The three command refusals. The last knows `%player%`.
`reload`	`started`, `done` (`%steps%`, `%ms%`), `failed`.
`common`	`busy`, `busy-elsewhere` (`%plugin%`), `busy-advice` (`%reason%`), `not-in-anything`, `left`, `command-blocked`, `no-packets`, `no-arena`, and the words `yes` and `no`.
`training`	`started` (`%drill%`, `%difficulty%`), `stopped`, `unknown-drill` (`%drill%`), `rest-hint` (`%seconds%`), and the single line sent beside the summary screen: `personal-best` when the rating beat the player's best, `below-best` when it did not. Both know `%drill%`, `%kind%`, `%score%`, `%rating%`, `%difficulty%`, `%hits%`, `%misses%`, `%expired%`, `%shots%`, `%accuracy%`, `%streak%`, `%precision%`, `%avg_flick%`, `%best_flick%`, `%avg_reaction%`, `%best_reaction%`, `%false_starts%`, `%on_target%`, `%longest_lock%`, `%combo%`, `%ping%`, `%duration%`, `%best_rating%` and `%delta%`.
`settings`	What the settings screen says when a value changes: `size` and `distance` (`%value%`, `%difficulty%`), `colour` and `style` (`%value%`), `toggled` (`%setting%`, `%state%`), the words `on` and `off`, `applies-next-drill` for a change made while in a drill, and `input-title` (`%min%`, `%max%`) for the window that asks for an exact value.
`match`	`starting` (`%opponent%`), `round-start` (`%round%`, `%rounds%`, `%drill%`), `round-won`, `round-lost`, `round-draw` (`%round%`), `ready` and `opponent-ready` (`%opponent%`), `no-arena`, `unknown-format` (`%format%`), `cancelled`, `opponent-left` (`%opponent%`), `forfeited`; the `round-summary` list (`%round%`, `%winner%`, `%score%`, `%opponent_score%`, `%hits%`, `%accuracy%`, `%score_for%`, `%score_against%`) and the `match-summary` list (`%winner%`, `%loser%`, `%score_winner%`, `%score_loser%`, `%format%`, `%drill%`, `%hits%`, `%accuracy%`, `%duration%`).
`duel`	`request-sent` (`%target%`), the `request-received` list (`%player%`, `%drill%`, `%format%`, `%seconds%`), `accepted`, `expired` (`%player%`, to whoever was challenged), `expired-sent` (`%target%`, to whoever challenged), `no-pending`, `target-busy` (`%target%`), `target-not-ready` (`%target%`, `%reason%`), `self-duel`, `denied` (`%player%`), `denied-by` (`%target%`), and `awaiting-answer`: the reason other plugins read while a request waits for an answer.
`practice`	The `queue-prompt` list, whose button runs `/aim`; `match-found`; `cannot-borrow`.
`admin`	What the admin screens confirm: `arena-created`, `arena-removed`, `arena-exists`, `arena-not-found`, `arena-renamed` (`%arena%`, `%name%`), `spawn-set`, `arena-enabled`, `arena-disabled` (all `%arena%`), `match-cancelled` (`%id%`), `session-stopped` and `stats-reset` (`%player%`), `cancelled`.
`menu`	Words menus need that are not a whole line: `victory-title`, `defeat-title`, `none` (`—`), `loading`, the empty texts `empty-history`, `empty-records`, `empty-leaderboard`, `empty-opponents`, `empty-arenas`, `empty-matches`, `empty-sessions`; `state-none`, `state-training`, `state-match` for `%exyliaaimtrainer_state_label%`; `reason-busy`; `set` and `not-set`; `overall-board`; and the maps below.

menu also holds four maps:

plugins/ExyliaAimTrainer/messages.yml

menu:
  categories:
    rating:
      name: Rating
      icon: NETHER_STAR
    score:
      name: Best score
      icon: TARGET
    accuracy:
      name: Accuracy
      icon: SPECTRAL_ARROW
    streak:
      name: Best streak
      icon: BLAZE_POWDER
    hits:
      name: Most hits
      icon: ARROW
    reaction:
      name: Fastest reaction
      icon: CLOCK
    combo:
      name: Best combo
      icon: IRON_SWORD
  kinds:
    flick: Flicking
    reaction: Reaction
    track: Tracking
    combo: Combo
  units:
    flick: " pts/min"
    reaction: " pts"
    track: " pts"
    combo: " pts/min"
  toggles:
    sidebar: Sidebar
    boss_bar: Boss bar
    action_bar: Hit feedback
    hit_sounds: Hit sounds
    particles: Hit particles

categories names and iconises the seven leaderboard categories, kinds names each drill kind on a row, units is what follows a score of that kind, and toggles names the five switches in the settings screen. A category missing from the map shows its key on a PAPER icon.

Two keys are written to the file and read by nothing: menu.reason-self and menu.difficulty-label.

scoreboards.yml

Two sidebars, training and match, each an ExyliaLib sidebar with enabled, title, lines and update (interval in ticks, 10 by default, smart, cache). The lines are driven by the plugin's %exyliaaimtrainer_*% placeholders. A player sees the board of what they are doing only while they are in a drill or a duel, and only with their Sidebar switch on. See HUD and Placeholders.

menus/

Every screen is a YAML file under menus/, plus hotbar.yml for the buttons shown during a drill. menus/admin/ and menus/hotbar.yml are rewritten from the jar on every start and every reload; the other files are kept up to date without undoing your edits. The file list, what each screen does and every aimtrainer: action are on Menus.

database.yml

Written by ExyliaLib the first time the plugin starts: H2 by default, with MySQL, MariaDB, PostgreSQL and MongoDB as alternatives. Arenas, profiles, records, session history and duel history all live there. See the library's database page.

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