Attacker vs. defender. Resolution: ① to-hit → ② defender reaction (Evasion / Field) → ③ soak & apply → ④ wounds → ⑤ on-hit target effects.
Carries state ACROSS engagements and turns: Corrosive armour loss, applied conditions (severity/duration/decay), the Recharge cooldown, wounds. Enable it, resolve engagements as usual (attacker/defender), then tick turns — On Fire burns at turn start, Toxified tests at turn end, durations & the Haywire Field decay at round end.