Sharp Key

Sharp Key is an active item.

Effects

 * Grants 5 keys.
 * Consumes a key and allows it to be thrown, damaging enemies.
 * Keys pierce through enemies, destroy obstacles, and can open secret and super secret rooms.
 * Keys are affected by shot speed and scale with damage.

Interactions

 * Cricket's Body: Sharp Key splits into 4 smaller ones, which each has an identical effect but with less damage.
 * Homing Tears: Sharp Key homes on enemies.
 * Ipecac: Sharp Key explodes on impact with obstacles, enemies, or walls.
 * Rubber Cement: Sharp Key can bounce off walls and enemies, overriding its piercing effect.
 * Spectral Tears: Sharp Key can pass through obstacles, but will no longer destroy them.
 * Tiny Planet: Sharp Key orbits around Isaac.