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,like Destroyer or Skeletron Prime.

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.