Are you for real? Illusions of Grandeur III Enchanter (AA) Slot 4: Increase Chance to Critical DoT by 13% Slot 5: Increase Chance to Critical Nuke by 13% Slot 6: Increase Critical DoT Damage by 120% of Base Damage Slot 12: Increase Critical Nuke Damage by 160% of Base Damage Cleric, Druid, Enchanter, Magician, Wizard all have 15 minute timers on ITC. Group BW is on the same reuse time as all class spires. You have to be someone who has it in for enchanters and/or casters, right? No way someone who is a caster would not know this information.