Defeat Erudax without letting a Faceless Corruptor begin to cast Twilight Corruption on any of Alexstrasza's Eggs in Grim Batol on Heroic Difficulty.

Don't Need to Break Eggs to Make an Omelet

Defeat Vanessa VanCleef in Deadmines on Heroic Difficulty.

Heroic: Deadmines

Keep the Prototype Reaper from falling below 90% health at any time before the Foe Reaper 5000 is defeated in Deadmines on Heroic Difficulty.

Do not get hit by Fire Wall in the Glubtok encounter in Deadmines on Heroic Difficulty.

Complete the Vault of Lights within 5 minutes of entering in the Halls of Origination on Heroic Difficulty.