Mirror

Mirror is an NPC-like stand that spawns on top of Cursed Tower. It will act like a passive NPC by right-clicking it. When destroyed it, it will turn into a broken mirror and will spawn an Tower Keeper.

Quotes

 * You look in the mirror. You see your reflection but there's also something moving behind you.

When the mirror is broken by a Stone Hammer:
 * The mirror seems to be broken.