MagicItemReactionEffect

This is a nested shape inside a content file. The catalog explains context validation and links real RON examples.

Event-local result of accepting an active item's Reaction.

`AcAgainstTrigger`

Add AC only while resolving the triggering attack. It never becomes a persistent AC modifier and can turn that already-rolled hit into a miss.

Field	Type	Required	Description
bonus	int64	required

Reduce the triggering attack's composite initial damage by the rolled dice plus the bearer's named ability modifier, before resistance.

Field	Type	Required
ability	Ability	required
catch_projectile	boolean	default false
count	uint8	required
faces	uint8	required