Eon of Captivity

 is a Hardmode accessory that is obtained from the Treasure Bag dropped by Insurgent in Expert Mode. When moving, skulls will emerge from the player and attack nearby enemies. The damage of the skulls are calculated from 65% of the player's defense and additional damage bonuses from all classes. It also provides 2 defense.

When equipped and not hidden, swirling chains will appear around the player.