A long-hidden Beta bug just got fixed, and the fix changes how the fight feels: Murder Row's second boss, Zaen Bladesorrow, now deals real damage with Fel-Infused Freight.
How broken was it? The ability used to lower only your displayed health bar while your actual health stayed full the entire time — meaning the effect effectively didn't exist, and the boss was far easier than designed. The bug had been in since the early days of the Beta.
After the hotfix:
- The boss hits for real, with heavy rot-type damage — healing goes from nearly idle to a genuine healer-check moment.
- Green barrels are mandatory: missing one on higher keys is close to a guaranteed wipe. Kill them on sight.
For groups: if your regular team cruised through this fight before, that was the bug helping you — recalibrate healing pacing and cooldown usage instead of trusting old muscle memory. PUG leaders should mention that this is now the "real damage" version so healers come prepared. Dungeon and boss quick-reference lives in the dungeon atlas, healer setups in the talent library, and the broader hotfix list on the class changes page.
Source: Wowhead official hotfix report (official confirmation), published 2026-10-10.