Heart of Darkness

The Heart of Darkness is a Revengeance Mode-exclusive Pre-Hardmode accessory that fills up the Rage Meter by 30 per second and boosts the damage Rage Mode deals by 10% when activated. It also makes the player five times as likely to be granted the Absolute Rage buff, and it increases the player's damage by 10% while they have it.

Any Boss Treasure Bag in Revengeance Mode has a 1.67% chance of containing this accessory.