Kzeroko KTM2
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KTM2

Developer docs

Building against IsekaiExpansion: APIs, runtime contracts, and the asset pipelines.

AUTHORING TOOL

Dialogue Studio

Node editor for NPC dialogue: wire nodes together, write both languages in place, generate, import and export in bulk.

  • Blabber
  • IsekaiExpansion

APIs

8

Sep 18, 2026

Emoji playback API

Playback options, queue policy, recipients and server/client lifecycle.

Sep 26, 2026

NPC revival API

Query identity-keyed graves, register costs and revive an NPC through a server-side payment transaction.

Sep 19, 2026

City API

Register persistent cities, marked areas, routes and daily metadata, and resolve NPC city bindings.

Sep 30, 2026

Naming API

Immutable name catalogues, NPC context resolvers and translated player identities.

Sep 30, 2026

Wayfinding API

Server-thread destination searches, structure surveys, work limits, result handling, dialogue integration and compass state.

Sep 27, 2026

Fate Balance API

Register choices and effects, evaluate drafts, and commit authoritative Fate Balance profiles.

Sep 30, 2026

Trading API

Open authoritative merchant catalogues and query personal trade rapport inside an active dialogue.

Systems

34

Sep 27, 2026

Comfort runtime

Player state, persistence, synchronisation and internal Comfort hooks.

Sep 30, 2026

Reputation runtime

Server incident hooks, persisted ownership, relation overrides and report snapshots.

Sep 25, 2026

Spell integration

Registration, delivery contracts, energy payment, item data and dependency bridges.

Sep 27, 2026

Progression runtime

Level storage, reward routing, player callbacks and exact equipment growth formulas.

Sep 18, 2026

Gem runtime

Snapshot loading, item state, socket operations, proc routing and the public requirement query.

Sep 27, 2026

NPC foundations

Entity roles, portable state, inventory layout and the lifecycle shared by citizens and named companions.

Sep 30, 2026

NPC locomotion

Ground gait, navigation caches, obstacle flight, landing and swimming contracts for NPC controllers.

Sep 25, 2026

NPC followers

Session-bound squads, formation, commands, ladder queues, parkour and safe follower transfers.

Sep 26, 2026

NPC combat

Target intent, action selection, timed attacks, weapon melee, damage guards and combat state.

Sep 19, 2026

NPC emotion runtime

Emotion reservoirs, complete temperament tuning, reaction formulas, persistence and body-emote contracts.

Sep 30, 2026

Skill-tree Runtime

The Puffish graph bridge, authoritative gates, learnable-power rewards and snapshot-based client screen.

Sep 27, 2026

Structure-space Runtime

Property identity, acquisition, access checks, furniture surveys, persistence and client snapshots.

Sep 30, 2026

Atelier structures

Native piece placement, recoverable revisions, Great Plains landmarks and the in-game structure editor.

Sep 30, 2026

Saints Dragons morph bridge

Native species simulation, rider bindings, damage scaling, transport and replicated presentation for dragon forms.

Sep 19, 2026

Team protection

Player anchors, follower ownership, damage attribution and non-beneficial effect filtering.

Sep 19, 2026

Tutorials

Client tutorial definitions, progress, input handling, targets and the bounds editor.

Sep 30, 2026

Talent runtime

Talent registration, rolls, practice formulas, saved state, synchronisation and operator tools.

Sep 19, 2026

Progression runtime

Identity graph ownership, unlock sessions, payment ordering, transformation, saves and wire contracts.

Sep 26, 2026

Quest runtime

Team profiles, objective dispatch, persistence, synchronisation and internal quest extension points.

Sep 19, 2026

Dungeon runtime

Native session lifecycle, placement, restart recovery, aggregate NBT and internal extension contracts.

Sep 30, 2026

Terrain generation

Registry ownership, deterministic landforms, world-tree persistence, chunk-local decoration and shader overlays.

Sep 26, 2026

Forgery runtime

Anvil state, recipe matching, smithing outcomes, persistence and the forged-item event.

Sep 26, 2026

Equipment skill runtime

Item templates, upgrade flags, awakening, tooltip selection and manual skill-gem dispatch.

Client and rendering

13

Sep 18, 2026

Effekseer Particles

The bridge between our gameplay code and the Effekseer runtime.

  • fx
  • aaaparticles
  • effekseer

Sep 18, 2026

Entity FX

What plays when an entity dies, leaves, or comes back.

  • fx
  • particlize
  • death

Sep 18, 2026

Particlize

Dissolving an entity into shards, and the JSON that shapes it.

  • fx
  • particlize
  • shaders

Sep 18, 2026

Damage numbers

Packet delivery, hit-time positioning and the ModernUI damage-number overlay.

Sep 25, 2026

Magic circles

Layered magic seals, cast sequences and independent rendering.

Sep 24, 2026

Camera Scene API

Play client camera animations, choose anchors and playback options, and understand transition ownership.

Sep 30, 2026

Dialogue objects and UI

Blabber blocking objects, one-use replies, persistent visuals and the ModernUI presentation bridge.

Sep 26, 2026

Weapon slash FX

Better Combat attack ribbons, complete resource-pack profiles, geometry, materials and client events.

Assets

7

Sep 19, 2026

Camera animation assets

Build Gecko camera tracks with explicit units, naming, keyframe fields and reload checks.

Sep 27, 2026

Humanoid part authoring

Shared rig, models, catalogue fields, tint masks, secondary animation and resource validation.

Sep 26, 2026

Dialogue Studio

Node editor for bilingual NPC dialogue: wire states together, write both languages in place, generate in bulk, and import or export resource bundles.

Sep 19, 2026

Origin icon assets

Race sprite discovery, class and profession item icons, and portrait rendering.