Use the craftable item Naughty Present any time at night to begin the Frost Moon Event, which will automatically summon Everscream. Note that there can be multiple Pumpkins summoned with each wave of enemies that spawn Use the craftable Pumpkin Moon Medallion at night to start the Pumpkin Moon Event, which automatically summons this boss. Note that Plantera must have been defeated for this to work Note that the Wall of Flesh must have been defeated and that at least one Altar must have been destroyed for the Event to begin The Flying Dutchman will appear after around 2/3rds of the enemies have been killed. Use the Pirate Map item (drops from all Ocean biome enemies) to begin the Pirate Invasion Event. Note this is the miniboss for the Tier 3 version of this fight (after the Golem has been defeated) Place an Eternia Crystal (buyable from the Tavernkeep in Hardmode) on the Eternia Crystal Stand to start the Goblin Army Event. Note this is the miniboss for the Tier 2 version of this fight (after The Twins, The Destroyer, or Skeletron Prime have been defeated) Note this is the miniboss for the Tier 1 version of this fight (after the Eater of Worlds or Brain of Cthulhu have been defeated) These changes include temporaru aesthetic differences to the world, unique and difficult enemies spawning at a high rate, and, lastly, the Event Boss. Generally speaking, Event Bosses are unable to be summoned by themselves instead, the player must trigger an event that will usually temporarily alter the world state. Defeat the Solar, Nebula, Vortex, and Stardust Pillar Bosses during the Lunar Event Use the craftable item Celestial Sigil in any biome 2. Note that the Golem must be defeated before the Cultists spawnġ. Kill at least four Cultist enemies in the Dungeon. Use the craftable item Truffle Bait when fishing in the Ocean biome Note that catching it in a Bug Net will not trigger the Empress of Light battle Kill a Prismatic Lacewing insect in the surface Hallow biome at night. Note that Plantera must be defeated before you can gain access to the Jungle Temple Use the craftable item Lihrahrd Power Cell at the Lihzahrd Altar in the Jungle Temple. Note that The Twins, The Destroyer, and Skeletron Prime must all be defeated before the Bulb will spawn Use the craftable item Mechanical Skull at night in any biomeĭestroy the Plantera's Bulb in the Underground Jungle. 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 biome 2. Use the craftable item Bloody Spine while in the Crimson biomeġ. Break three naturally-occurring Crimson Hearts in the Crimson biome 2.

Use the craftable item Worm Food in the Corruption biomeġ. Break three naturally-occurring Shadow Orbs in the Corruption biome 2. 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 night 2. Rarely: Spawns randomly in the furthest corners of the map without being summonedġ. Killing 150 slimes during a Slime Rain 3. Beyond just the Wall of Flesh, the majority of these Bosses must be beaten to advance the game, either by opening up new gameplay mechanics or providing access to new resources for crafting.ġ. To access Hardmode or certain Event Bosses, you must defeat the Wall of Flesh, which will irreversibly convert your world to Hardmode. The table below outlines all Pre-Hardmode Bosses in Terraria.

Terraria dark mage drops