UNIT COMBAT

Fired when an npc or player participates in combat and takes damage
 UNIT_COMBAT: unitTarget, event, flagText, amount, schoolMask
==Payload==
:;unitTarget: : UnitId
:;event: - Action, Damage, etc (e.g. HEAL, DODGE, BLOCK, WOUND, MISS, PARRY, RESIST, ...)
:;flagText: - Critical/Glancing indicator (e.g. CRITICAL, CRUSHING, GLANCING)
:;amount: - The numeric damage
:;schoolMask: - Damage type in numeric value (1 - physical; 2 - holy; 4 - fire; 8 - nature; 16 - frost; 32 - shadow; 64 - arcane)