Terraria: How to Summon All Bosses - Kosgames (2023)

slime king

King Slime is a giant blue slime with 2000/2800/3570 health. Summoned with a slime crown, or after killing 150 slimes (75 if already killed) during a slime shower, or can rarely spawn on its own in the outer third of the map. As with all enemies that can spawn naturally, King Slime has a better chance of spawning when she is near a placed Water Candle or under the effect of a Battle Potion.

How to summon:

Summoned with a crown of slime
eye of Cthulhu

The Eye of Cthulhu is a giant eyeball with 2800/3640/4641 health. Has a 1/3 (33.33%) chance to appear at the start of each night once the player has 200 or more HP, 3 or more NPCs live in houses, and have 10+ defense. It will continue like this until he is defeated for the first time. It can also be summoned at night with a suspicious looking eye. If the player doesn't defeat him by the end of the night, he will move up and disappear. This is usually the first boss a player has to face. He travels through blocks and spawns Cthulhu's minions.

How to summon:

Summoned with a suspicious looking eye
devourer of worlds

The Eater of Worlds is a colossal worm with a total health of 10,050/15,120/19,224 on desktop and mobile versions and 7,500/10,500 on console, previous-gen console, and 3DS versions. Awakens after every third Shadow Orb is broken or after using Worm Food. Shadow Orbs can be found in Chasms of Corruption surrounded by Ebony Stone, requiring a pickaxe with 65% Peak Power or higher to mine, although explosives or cleaning powders can be used to bypass this. Once in range, shadow orbs can be destroyed with a hammer or explosives. The World Eater can only be summoned on worlds that contain Corruption and can be summoned at any time of day. If he manages to escape the corruption, he will run away and disappear.

How to summon:

Summoned with Worm Food
Or by breaking 3 shadow orbs.
brain of Cthulhu

Cthulhu's brain is a large flying brain with only 1000/1700/2167 health, giving it the lowest health of any boss. He appears once for every third Crimson Heart broken or immediately after using Bloody Spine. Crimson Hearts are found in Crimson's Chasms, surrounded by Crimstone, which can be bypassed using the same methods as Ebonstone. However, some of the bags that contain them will open. Once in range, Crimson Hearts can be destroyed with a hammer or tile-breaking explosive. It can only be summoned in Crimson, but at any time of the day.

How to summon:

Summoned with a bloody column
Or by breaking 3 Crimson Hearts.
Queen bee

Queen Bee is a giant bee with 3400/4760/6069 health. She is summoned by destroying her larva trapped in the walls of hives in the underground jungle. She can also be summoned anywhere in the jungle biome using an Abeemination. She is the only source of beeswax in the game. Queen Bee is immune to knockback.

How to summon:

Summoned with an Abeemination
Or breaking its larva
skeleton

Skeletron is a large skeleton head with 4400/8800/11220 health and two hands. He is summoned by talking to the NPC Old Man at the dungeon entrance and activating his curse at night. Skeletron alternately attacks the player with his hands and performs a spin attack. His hands can be attacked and defeated to facilitate combat, although it is not required. If he is not defeated before the night is over, Skeletron will attack, usually killing the player in one hit. He then he will disappear.

How to summon:

Summoned by killing the Clothier with a Clothier Voodoo Doll equipped
Or activating the old man's curse.
wall of meat

The Wall of Meat is a towering wall that spans the full height of the screen. Has 8,000/11,200/14,280 health. He is summoned by throwing a guide voodoo doll into a pool of lava while the guide is alive. He is the final boss of pre-hardmode, because defeating him irrevocably activates hardmode in the world. He can drop various powerful items, one of which is the guaranteed Pwnhammer, which can be used to break Demon Altars or Crimson Altars to generate various ores that enhance Hardmode gameplay.

How to summon:

Summoned by throwing a Guide Voodoo Doll into the lava

slime queen

Queen Slime is a giant slime with 18000/28800/36720 health. She is available for combat at the start of Hardmode and is summoned from Gelatin Crystals in Underground Hallow. She is an optional boss fight and a small loophole to challenge before taking on the mech bosses, granting gear upgrades and other items. She bears a strong resemblance to King Slime before hard mode and she is one of the two holy bosses in the game. When she takes damage, she spawns Crystal Slimes, Bouncy Slimes, and Heavenly Slimes to help her out. While the first form of her is straightforward with attack patterns similar to King Slime's, the second phase poses a much bigger threat as the boss starts flying in the air and shooting projectiles from above.

How to summon:

Summoned with a jelly crystal
The Twins

The twins are a pair of cybernetic eyes of Cthulhu. They exist as two individual entities known as Retinazers and Spazmatism, the former at 20,000/30,000/38,250 health and the latter at 23,000/34,500/43,987 health. The twins are summoned at night using a mechanical eye. It's worth noting that unlike the Eye of Cthulhu, they gain Defense in their second form.

How to summon:

Summoned with a mechanical eye
The destroyer

The Destroyer is a colossal mechanized World Eater with 80,000/120,000/153,000 health. He is considered by many players to be the easiest boss in Hard Mode despite having the second highest health. While similar to its pre-Hardmode counterpart, the Eater of Worlds, it has a few key differences: It doesn't split into smaller segments, it fires lasers from its body when there is space, and it deploys probes while attacking each destroyed segment.

How to summon:

Summoned with a mechanical worm
first skeleton

Skeletron Prime is a weaponized mechanical variant of Skeletron, with the head alone having 28,000/42,000/53,550 health. Instead of two hands, he has four limbs: a vise, a laser gun, a saw, and a cannon. With head and all limbs together, Skeletron Prime has 59,000 / 88,500 / 112,836 HP. However, just like with Skeletron, only the head must be defeated. Skeletron Prime can be summoned as many times per world as needed by crafting and using a mechanical skull, but can only be summoned at night. It is more mobile than its predecessor and regularly flies off-screen, making it difficult to aim. It's also worth noting that his defense increases as he spins, unlike Skeletron, whose defense drops to 0 as he spins.

How to summon:

Summoned with a mechanical skull
Adjunct

Plantera is a giant flower with 30,000/42,000/53,549 health. He wakes up by destroying a Plantera bulb found in the underground jungle after defeating the three mech bosses. When the player emerges from the underground jungle, Plantera will "enrage" and receive a significant boost to her stats.

How to summon:

Summoned by destroying a Plantera bulb
by a goal

Golem is a big boss with 39,000/58,500/74,586 total health. He is summoned using a Lihzahrd Power Cell at the Lihzahrd Altar in the Jungle Temple. To access the Jungle Temple, Plantera must be defeated to obtain the Temple Key.

How to summon:

Summoned using a Lihzahrd Energy Cell on a Lihzahrd Altar —>

empress of light

The Empress of Light is a Sanctum-style boss with 70,000/98,000/124,950 health. She can be summoned by killing a Prismatic Lacewing and she is one of the two holy bosses in the game. This boss is meant to be a small gap between Plantera and Golem, but she can be fought later or skipped entirely as it's an optional fight. However, if the player fights her at the time she becomes available, they will be faced with a large increase in difficulty and numerous attack patterns. She can also be fought against this boss during the day, which "enrages" her and increases her attack damage to an instant kill, but drops the Terra Prism once she has dealt 100% damage to herself for the day.

How to summon:

Summoned by killing a Prismatic Lacewing
Herzog Fishron

Duke Fishron is a mutated shark-hog-dragon hybrid with 50,000/60,000/76,500 health. It is summoned when a truffle worm is used as bait for fishing in the ocean.
In his first phase, Duke Fishron will attempt to ram the player five times before shooting explosive bubbles or summoning Sharknados. In his second phase, Duke Fishron gains glowing eyes and a boost to attack and defend. Although his battering attacks remain the same, he quickly flies in circles and sends bubbles everywhere instead of shooting bubbles directly at the player. Instead of summoning Sharknados during this phase, Duke Fishron summons larger Cthulhunados. These remain until Duke Fishron is defeated.

How to summon:

Summoned by fishing in the ocean biome using the truffle worm as bait
mad cultist

The Lunatic Cultist is a comparatively small boss with 32,000/40,000/76,500 health. He is summoned by killing the four cultists at the dungeon entrance after defeating the Golem. When the mad cultist is defeated, the lunar events begin.

How to summon:

Summoned by killing all the cultists at the dungeon entrance.
moon king

The Moon Lord is the final boss of Terraria and drops most of the endgame items such as Meowmere. He also drops Luminite, an ore used to craft many tools and ultimate armor sets. He is summoned by defeating all four Celestial Pillars from Lunar Events or by using a Celestial Sigil. He has a combined health of 145,000/217,500/277,311, the highest health of any boss in the game.

Moon Lord has two hands and a head that must be killed by attacking the eyes, and killing them will unleash the invincible True Eyes of Cthulhu. Destroying all three eyes opens the Moon Lord's core in his chest, which must then be destroyed to defeat the boss.

How to summon:

Summoned with a Celestial Seal or by defeating the Celestial Pillars

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