Warlock · Affliction · tier 3 · from level 20
Amplify Curse
+270 Bane of Agony
1/1 · level 60 · per cast · with Amplify Curse active
Amplify Curse
Rank 1/1
Increases the effect of your next Curse of Weakness or Bane of Agony by 50%, or your next Curse of Exhaustion by 20%. Lasts 30 sec.
Averages, counting crits and misses, for a level 60 Warlock with a typical weapon and no other gear or buffs, against a target your level. Worked out from the game's own data, the same way as the Foresight addon.