Cross Necklace

The Cross Necklace is a Hardmode accessory that doubles the duration of the invincibility a player is afforded after taking damage, from ~0.66 seconds to ~1.33 seconds. The Cross Necklace has a  /   chance to be dropped by Mimics.

The Cross Necklace is useful in Hardmode boss fights, and any other scenario where the player is likely to be hit rapidly.

Trivia

 * This item may be a reference to the Cross Necklace in the first Castlevania game, having nearly the same image and making the player invincible for a short duration.
 * It bears resemblance to a Catholic.