Use the craftable item Mechanical Worm at night in any biome Use the craftable item Mechanical Eye at night in any biome Use the findable Gelatin Crystal item in the Underground Hallow biome Note that these Bosses have higher health pools, greater damage output, and higher defense levels than Pre-Hardmode Bosses.

The bosses below can only be summoned once you have defeated the Wall of Flesh and have converted the world to Hardmode. Requires the Guide NPC to still be alive. Throw the Guide Voodoo Doll (rare drop from Voodoo Demon enemies in the Underworld biome) into lava. Use the craftable Deer Thing item anywhere in the Snow or Ice biomes Speak to the Old Man NPC standing at the entrance to the Dungeon at night Use the craftable item Abeemination in the Jungle biome Break one naturally-occurring larva in the Hive biomeĢ. Use the craftable item Bloody Spine while in the Crimson biomeġ. Break three naturally-occurring Crimson Hearts in the Crimson biomeĢ. Use the craftable item Worm Food in the Corruption biomeġ. Break three naturally-occurring Shadow Orbs in the Corruption biomeĢ. 33% chance to spawn during the night once certain requirements are met (the player must have 200+ HP, 10+ defense, and 3+ NPC's living nearby)ġ.

Using the findable item Suspicious Looking Eye during the nightĢ. Rarely: Spawns randomly in the furthest corners of the map without being summonedġ.

Terraria bosses