ItemModeEffect
Used by MagicItem
This is a nested shape inside a content file. The catalog explains context validation and links real RON examples.
ConditionGrantWeaponHitDamageWeaponHitSaveDamageConditionWeaponDamageKindIlluminationVirtualEquippedArmReactionWalkingSpeedMultiplierOpportunityDisadvantage
A reusable effect projected only by a selected, eligible item mode.
ConditionGrant
Project one registered condition from this exact item-mode source.
| Field | Type | Required | Description |
|---|---|---|---|
| condition | string | required |
WeaponHitDamage
A separate typed damage instance on hits with this exact weapon.
| Field | Type | Required | Description |
|---|---|---|---|
| damage | Damage | required | Dice and damage kind resolved through the ordinary damage ladder. |
| doubles_on_crit | boolean | required | Whether a critical hit doubles this rider's dice. |
WeaponHitSaveDamageCondition
On a hit with this exact weapon, one save gates both typed damage and a timed condition. The rider is not part of critical-hit dice.
| Field | Type | Required | Description |
|---|---|---|---|
| condition | string | required | |
| damage | Damage | required | |
| duration_secs | uint32 | required | |
| save | NaturalAttackSave | required |
WeaponDamageKind
Replace this exact weapon's ordinary damage kind while the mode is selected. Dice and modifiers are unchanged; each attack still resolves through the ordinary resistance/immunity ladder for the selected kind.
| Field | Type | Required | Description |
|---|---|---|---|
| kind | string | required |
Illumination
Bright light plus an additional dim-light radius emitted by the item.
Carries MagicItemIllumination.
VirtualEquippedArm
Project one ordinary arm through the concrete magic item. The item must itself satisfy the mode's custody requirement; weapon projections may add properties and alternate proficiency families without duplicating the base weapon definition.
| Field | Type | Required | Description |
|---|---|---|---|
| base_arm | string | required | |
| proficiency_aliases | string[] | default [] | |
| weapon_properties | WeaponProperty[] | optional |
Reaction
Offer an explicit event-local Reaction while this exact mode is active.
Carries MagicItemReaction.
WalkingSpeedMultiplier
Multiply the bearer's complete world-level walking Speed. The ratio is applied after additive/floor sources and before contextual impediments.
| Field | Type | Required | Description |
|---|---|---|---|
| denominator | uint32 | required | |
| numerator | uint32 | required |
OpportunityDisadvantage
Attacks made specifically as Opportunity Attacks against the bearer have Disadvantage; ordinary attacks are unchanged.