Bosses

Bosses are large and challenging enemies linked to the various biomes. They drop useful items and some gate game progression.

Core Bosses[edit]

Glurch the Abominous Mass.png
Health Biome Distance Scanner
2,459 Dirt 65 No

Glurch is one of the three Bosses of early game. It is usually the first boss a player encounters, always 65 tiles from the core. Glurch has an underground shaking jump attack similar to that of the regular sized Orange and Red Slime mobs found close by. Also modestly challenging to fight.

When defeated, the Slime Merchant NPC is released. Glurch always drops Glurch Eye.pngGlurch Eye, one of the three items required to power up The Core. Once emplaced in its Boss Statue, the world save file is marked with this item icon.

Ghorm the Devourer.png
Health Biome Distance Scanner
8,061 ~ 220 Yes

Ghorm is one of the three bosses in early game. When defeated, Ghorm will drop Ghorm's Horn.pngGhorm's Horn, one of the three items required to power up the core. Your world save file will also be marked with the same icon.

Ghorm spawns halfway between the Core and the Great Wall. It circles around the Core, moving between The Clay Caves and The Forgotten Ruins, destroying everything in its path. Ghorm the Devourer Scanner can be used to locate its position on the map, though largely unnecessary, as you can always find its track no matter which direction you go. Ghorm track appears approximately 220 tiles away from the core. You can use this measurement against any other bosses for reference. The track is approximately 8 tiles wide, filled with ground slimes.

To respawn Ghorm after it has been killed, place Ghorm Summoning Idol on its rune circle. The idol can be purchased from the Caveling Merchant. The merchant will restock their items after some time has passed.

The Hive Mother.png
Health Biome Distance Scanner
24,671 Hive 330 Yes

The Hive Mother is one of the three bosses in early game. When defeated, the Hive Mother will drop Heart of the Hive Mother.pngHeart of the Hive Mother, one of the three items required to power up the core. Your world save file will also be marked with the same icon.

The Hive Mother spawns in the Larva Hive Biome. Hive Mother Scanner can be used to locate its position on the map. It spawns approximately 330 tiles away from the core at a random angle, or 1.5 times longer radius than Ghorm's track.

To respawn the Hive Mother after it has been killed, place Hive Mother Summoning Idol on its rune circle. The idol can be purchased from the Caveling Merchant. The merchant will restock their items after some time has passed.

Titans[edit]

Azeos the Sky Titan.png
Health Biome Distance Scanner
31,813 Wilderness 600 Yes

Azeos is one of the three titans in the game. When defeated, Azeos will drop Soul of Azeos.pngSoul of Azeos, one of the three souls required to advance the story. Your character save file will also be marked with the same icon.

Azeos' arena is located in the Azeos' Wilderness. Azeos the Sky Titan Scanner can be used to locate its position on the map. It spawns approximately 600 tiles away from the core at a random angle, or 1.27 times longer radius than the great wall. The arena is fully lit, and there are many bird droppings and feathers on the ground. A giant bird shadow can be seen passing by occasionally.

To spawn or respawn Azeos, place Large Shiny Glimmering Object anywhere in the arena. You might have to wait up to 5 minutes or higher for its shadow to reappear before you can respawn it. The object can be crafted by talking to the Spirit Merchant that appears when placing Ancient Hologram Pod on the ground.

Omoroth the Sea Titan.png
Health Biome Distance Scanner
106,791 Sea 1100 Yes

Omoroth is one of the three titans in the game. When defeated, Omoroth will drop Soul of Omoroth.pngSoul of Omoroth, one of the three souls required to advance the story. Your character save file will also be marked with the same icon.

Omoroth's arena is located in the The Sunken Sea. Omoroth the Sea Titan Scanner can be used to locate its position on the map. It spawns approximately 1100 tiles away from the core at a random angle, or 2.34 times longer radius than the great wall. The arena is fully lit, and there are 5 giant whirlpools.

To spawn or respawn Omoroth, equip Expert Lure in your off-hand, and use a fishing rod. Aim your lure on one of the whirlpools, wait until it bites, and then pull it out. You might have to wait up to 5 minutes or higher for its soul to disappear before you can respawn it. The lure can be crafted by talking to the Spirit Merchant that appears when placing Ancient Hologram Pod on the ground.

Ra-Akar the Sand Titan.png
Health Biome Distance Scanner
160,799 Desert 1000 Yes

Ra-Akar is one of the three titans in the game. When defeated, Ra-Akar will drop Soul of Ra-Akar.pngSoul of Ra-Akar, one of the three souls required to advance the story. Your character save file will also be marked with the same icon.

Ra-Akar's arena is located in the The Desert of Beginnings. Ra-Akar the Sand Titan Scanner can be used to locate its position on the map. It spawns approximately 1000 tiles away from the core at a random angle, or 2.15 times longer radius than the great wall.

To spawn or respawn Ra-Akar, place Thumper on the arena. It can be crafted by talking to the Spirit Merchant that appears when placing Ancient Hologram Pod on the ground.

Optional Bosses[edit]

Malugaz the Corrupted.png
Health Biome Distance Scanner
27,408 Ruins 350 No

Malugaz is an optional side boss that is not required to be defeated to advance the story.

Malugaz' arena is located in The Forgotten Ruins. It spawns approximately 350 tiles away from the core at a random angle, or 1.59 times longer radius than Ghorm's track.

To spawn or respawn Malugaz, place Skull of the Corrupted Shaman on the sigil at the center of the throne room. The skull can be crafted by using Crystal Skull Shard. Once you have ten of them, use the item to craft it. Skull shards are dropped randomly from caveling enemies in the forgotten ruins.

Ivy the Poisonous Mass.png
Health Biome Distance Scanner
39,155 Wilderness 900 Yes

Ivy is an optional side boss that is not required to be defeated to advance the story.

It spawns in the Azeos' Wilderness, approximately 900 tiles away from the core at a random angle, or 1.91 times longer radius than the great wall. When you get close, your screen will shake periodically. Its lair is a big open space covered with ground poison slimes. These ground slimes slows your movement speed and poisons you, reducing your healing received by 75%.

To respawn Ivy after it has been killed, place Giant Slime Summoning Idol on its rune circle. The idol can be purchased from the Caveling Merchant. The merchant will restock their items after some time has passed.

Morpha the Aquatic Mass.png
Health Biome Distance Scanner
84,551 Sea 1400 Yes

Morpha is an optional side boss that is not required to be defeated to advance the story.

It spawns in The Sunken Sea, approximately 1400 tiles away from the core at a random angle, or 2.97 times longer radius than the great wall. When you get close, your screen will shake periodically. Its lair is a big open space covered with ground slippery slimes. These ground slimes turn your movement slippery, making your character harder to control.

To respawn Morpha after it has been killed, place Giant Slime Summoning Idol on its rune circle. The idol can be purchased from the Caveling Merchant. The merchant will restock their items after some time has passed.

Igneous the Molten Mass.png
Health Biome Distance Scanner
160,799 Lava 1400 Yes

Igneous is an optional side boss that is not required to be defeated to advance the story.

It spawns in Molten Quarry, approximately 1400 tiles away from the core at a random angle, or 2.97 times longer radius than the great wall. When you get close, your screen will shake periodically. Its lair is a big open space covered with ground lava slimes. These ground slimes burn your character, dealing constant damage.

To respawn Igneous after it has been killed, place Giant Slime Summoning Idol on its rune circle. The idol can be purchased from the Caveling Merchant. The merchant will restock their items after some time has passed.

King Slime.png
Health Biome Distance Scanner
24,188 ~ ~ No

King Slime is an optional Boss not necessary for game progression. He can be spawned by players using a Crown Summoning Idol at any of the slime boss runes around a world. Although his stats currently place him around mid-game in difficulty.

King Slime exhibits the same behaviour as the other giant slime bosses, attempting to jump onto players. In addition he sheds short live regular sized Royal Slime mobs when taking damage. He is the Core Keeper side of a crossover with Terraria, in which he also appears.

Event Bosses[edit]

Haunted Hive Mother.png
Health Biome Distance Scanner
24,671 Hive 330 Yes

Haunted Hive Mother is a seasonal Halloween form of the Hive Mother.

Haunted Hive Mother's arena is located in the Larva Hive Biome. Hive Mother Scanner can be used to locate its position on the map. It spawns approximately 330 tiles away from the core at a random angle, or 1.5 times longer radius than Ghorm's track.

To spawn or respawn Haunted Hive Mother, place Haunted Hive Mother Summoning Idol on its rune circle. The idol can be obtained randomly when opening a Samhain Goodie Bag dropped from Big Larva, Caveling, Caveling Shaman, and Caveling Brute while Creepy Costume Party is running.

Awakened Azeos.png
Health Biome Distance Scanner
31,813 Wilderness 600 Yes

Awakened Azeos is a seasonal Easter form of Azeos the Sky Titan.

Azeos' arena is located in the Azeos' Wilderness. Azeos the Sky Titan Scanner can be used to locate its position on the map. It spawns approximately 600 tiles away from the core at a random angle, or 1.27 times longer radius than the great wall. The arena is fully lit, and there are many bird droppings and feathers on the ground. A giant bird shadow can be seen passing by occasionally.

To spawn or respawn Awakened Azeos, place Large Golden Egg anywhere in the arena. You might have to wait up to 5 minutes or higher for its shadow to reappear before you can respawn it. Large Golden Egg can be crafted from Easter eggs obtained during The Great Egg Hunt.