SECOND WIND
Durationuntil it falls
TriggerBoss defeat
Effects
Not on the schedule: a boss's killing blow has a 1 in 20 chance to bring it back with 5% HP.
Rewards
Round 2: attacks are free for everyone and loot is x5 until it falls.
How often
Random trigger on a boss’s killing blow.
Source: official game library. Scheduled percentages describe event selection, not the chance per attack.