Bosses can spawn at random as night falls so long as your character/world meets certain requirements, but most players will want to craft a summoning item and battle them at a time they control - either within a specially made arena or at least with potions available to buff their character. These require crafting at a demon or crimson altar, found in Corruption/Crimson worlds, respectively. The first bosses you can summon are the Eye of Cthulhu and either Eater of Worlds or the Brain of Cthulhu. If you plan to use On Fire!, Poison, Ichor, Venom, Cursed Flames, or Frostburn in boss fights, this may be helpful to you. I've made a list of debuffs that will or won't work on Bosses in Terraria. I've also got a guide to making a Boss Fight Arena fit for the Moon Lord, which allows for many of the buffs you can provide to your character in order to get an advantage during battle. If you want only boss summoning items, I have a list for that, which includes where to get each of the required crafting items. See Also: Summoning Items Guide & Boss Arenas Bosses are listed in the order most players will encounter them, though your experience may vary slightly. The goal of this guide is to link you to helpful information so that you can slay each boss and unlock more content in your world. Thankfully, bosses can be summoned at will if you have the materials necessary to craft the summoning item.

In many cases, you require defeating a boss in order to advance in the game, as with the Wall of Flesh and mechanical bosses of Hard Mode. Terraria Bosses List Strategy Guides for Boss Fights The Moon Lord - final boss of Terraria 1.3 - is summoned after the Lunar Event has been completedīeating Bosses in Terraria is a key measure of success and unlocks more aspects of the game within a specific world.

Terraria 1.2.4 mobile guide