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Brimstone Coating
Round
5
Boss Tier
IV
Duration
Run
Permanent Effect
Burn applied to enemies is increased by 4
+4 Burn applied
Earned From
Onyxian Core Overlord · Round 5
How Forge Cores Work
Forge Cores are boss signature rewards. They activate as soon as they are claimed, stack with your earlier Cores, and remain active for the rest of the match.