Warlock talent · row 3 of Affliction, from level 20 (15 with Talented 5/5) · Shadow

Amplify Curse

Instant3 min cooldown

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.

Game files · build 1.60.1.70291Read straight from the WoW Forever beta client.

Compared with Classic

Classic tooltip

Increases the effect of your next Curse of Weakness or Curse of Agony by 50%, or your next Curse of Exhaustion by 20%. Lasts 30 sec.

What Blizzard said about Amplify Curse, each line checked against the files.

Matches the files
Curse of Agony and Curse of Doom are now Banes. Only one Bane can be active per Warlock on a single target. All effects that interacted with Curses now also interact with Banes.
The files Every Curse of Agony rank (980 to 11713) is named Bane of Agony and Curse of Doom (603) is Bane of Doom, each saying 'Only one Bane per Warlock can be active on any one target.' Amplify Curse and Pandemic name Bane of Agony. The line skips a damage cut: Bane of Agony rank 6 deals 552 over 24 sec (Classic 1044) and Bane of Doom 1742 (Classic 3200).
Bane of Agony (rank 1)Bane of Agony (rank 6)Bane of Doom Amplify Curse Class deep dives: Rogue and Warlock

69876 Sep 16First beta build we archived. No changes in the client files since.