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Core Keeper

Core Keeper Boss List: All Bosses, Locations, Attacks, & Loot

Posted on by justin
The bosses in Core Keeper can catch players off guard and make you rethink the next time you enter a cave. But conquering your fears and defeating the bosses of Core Keeper is important to progress through the game and pick up some valuable loot. With that, here's every boss in Core Keeper, where you can find them, their attacks, and what loot you can earn by defeating them.

All Bosses in Core Keeper

Core Keeper bosses At the time of writing, Core Keeper has 11 bosses to find and defeat. Also, these major enemies don’t naturally respawn unless players use special summoning methods.

Glurch the Abominous Mass

Many Core Keeper beginners would typically find Glurch the Abominous Mass as their first boss encounters. It appears as a giant, orange-colored version of the regular mass with a mouth or orifice. It’s also immune to stunning, slippery movement, and slows from slimes.
Location
Pay attention to the screen shaking when exploring the Dirt biome. Head in the direction of the shakes to find the boss.
Attacks
Like regular slimes, Glurch the Abominous Mass only has one attack pattern: it bounces and tries to squish its target. However, it deals about 50 damage per hit. Also, it becomes enraged when its health reaches 30%, increasing its attack damage and ferocity.
Loot Drops
  • Glurch Chest
  • Glurch Eye
  • Slime Oil
  • Melting Crystal Ring
  • Blob Rosary Necklace
  • Wooden Shield
  • Swift Feather
  • Slime
  • Ancient Gemstone
  • Mechanical Part
  • Copper Ore
  • Tin Ore
  • Melting Crystal Ring
  • Blob Rosary Necklace
  • Wooden Shield
  • Swift Feather
  • Glurch Figurine

Ghorm the Devourer

Ghorm the Devourer is a giant worm-like creature that may appear docile. However, deal sufficient damage to it, and it’ll start ramming those who attack it.
Location
Players can search for Ghorm the Devourer by following its trail. This Core Keeper boss doesn’t stay in one place and will roam around the entire map.
Attacks
Normally, Ghorm will try to harm anyone who attempts to prevent it from moving forward. But it enrages at 80% health and will start charging at the player’s position.
Loot Drops
  • Ghorm Chest
  • Ghorm's Horn
  • Larva Meat
  • Ghorm's Stomach Bag
  • Mysterious Idol
  • Larva Ring
  • Larva Chest
  • Tin Axe
  • Flintlock Musket
  • Ancient Gemstone
  • Mechanical Part
  • Fiber
  • Iron Ore
  • Gold Ore
  • Shiny Larva Meat
  • Larva Ring
  • Larva Chest
  • Tin Axe
  • Flintlock Musket
  • Ghorm Figurine
  • Amber Larva

The Hive Mother

Although The Hive Mother is a stationary boss, it summons larvae that can fill its surroundings fairly quickly. Players that don’t pay attention to the battleground might soon become overwhelmed by the amount of larvae, resulting in a quick death.
Location
The Hive Mother’s nest is in the Larva Hive biome. Players should notice that this Core Keeper boss is near if they enter a large open space in the biome.
Attacks
Aside from summoning Big Red and Red Larvae, The Hive Mother can also spew acid in the player’s direction. It also enrages when players can whittle this boss’ health to about 60%.
Loot Drops
  • Hive Mother Chest
  • Heart of the Hive Mother
  • Larva Meat
  • Clot Ring
  • Grub Egg Necklace
  • Larva Helm
  • Hand Mortar
  • Broken Handle
  • Battle Axe
  • Ancient Gemstone
  • Fiber
  • Iron Ore
  • Gold Ore
  • Grub Knot
  • Clot Ring
  • Grub Egg Necklace
  • Larva Helm
  • Hand Mortar
  • Broken Handle
  • Battle Axe
  • Hive Mother Figurine

Azeos the Sky Titan

Progressing through the game would eventually lead players to unlock and power up The Core. Then, players would eventually fight Azeos the Sky Titan, the first of the three titan bosses in Core Keeper.
Location
Azeos resides in the Azeos’ Wilderness biome. In particular, this Core Keeper boss has a distinct arena that players can’t miss easily.
Attacks
Azeos has more attacks than many of the other bosses in the game. Prepare to deal with the following hazards when fighting this boss:
  • Thunder beams appear and close in on the player’s position from the left and right
  • Thunder beams appear and close in on the player’s position from the top and bottom
  • A thunder beam cluster appears, and each of them will move in a unique direction
  • Thunder beams form a ring before spreading out
  • Multiple blue crystals appear that can only be destroyed with a pickaxe or an explosive
Loot Drops
  • Titan's Chest
  • Pile of chum
  • Radical Rabbit Ears
  • Eostre Necklace
  • Ostara Ring
  • Awakened Azeos Figurine
  • Broken Handle
  • Azeos Beak Necklace
  • Sky Ring
  • Ancient Pickaxe
  • Azeos' Dash Feather
  • Ancient Gemstone
  • Scarlet Ore
  • Gold Ore
  • Petrified Egg
  • Broken Handle
  • Azeos Beak Necklace
  • Sky Ring
  • Ancient Pickaxe
  • Azeos' Dash Feather
  • Azeos Figurine

Ivy the Poisonous Mass

Ivy the Poisonous Mass has a similar appearance to Glurch the Abominous Mass. The difference is that Ivy has a more purple-like color as opposed to the orange hue of Glurch. However, Ivy has more health and damage output than its early-game counterpart.
Location
Players can find Ivy in the same biome as Azeos. But the process of finding this Core Keeper boss is the same as searching for Glurch.
Attacks
Like Glurch, Ivy will move around the battle arena, trying to slam and hit the player. Its attacks become more ferocious when its health reaches below 30%.
Loot Drops
  • Ivy's Chest
  • Ivy's Ring
  • Poisonous Sickle
  • Remedaisy Necklace
  • Ivy's Pants
  • Ivy's Thorn Harness
  • Toxic Defender
  • Poison Slime
  • Scarlet Ore
  • Gold Ore
  • Ancient Gemstone
  • Mechanical Part
  • Ivy's Ring
  • Poisonous Sickle
  • Remedaisy Necklace
  • Ivy's Pants
  • Ivy's Thorn Harness
  • Toxic Defender
  • Ivy Figurine

Malugaz the Corrupted

Malugaz the Corrupted appears as an armored hooded being with spiked shoulders. Note that this Core Keeper boss fight is optional and won’t count as a progression to the game’s story if you decide not to fight it. However, beating this major enemy will drop various unique and helpful items.
Location
Unlike other bosses, players must find the Throne Room in the Forgotten Ruins to summon Malugaz. Here, place the Skull of the Corrupted Shaman at the center of the room. If done correctly, Malugaz appears, and the fight begins.
Attacks
Similar to the bosses in Terraria, Malugaz has two phases. In his first phase, this enemy will alternate between two attacks:
  • Throws two or three fireballs in the player’s direction, and
  • Summon a fiery wall around the arena
Depleting Malugaz’s health won’t defeat this boss. Instead, this enemy will enter its second phase. This time, he’ll still have two attacks, but now they’re fiercer than before:
  • Teleports around the arena and will appear next to the player to fight close combat, and
  • Create fiery tiles after teleporting
Loot Drops
  • Ancient Chest
  • Skull Ring
  • Skull Necklace
  • Blue Leather Tome
  • Ritual Dagger
  • Ancient Gemstone
  • Mechanical Part
  • Gold Bar
  • Fireball Staff
  • Hand Mortar
  • Battle Axe
  • Skull Ring
  • Skull Necklace
  • Blue Leather Tome
  • Ritual Dagger
  • Ritual Goblet
  • Oracle Card "Entity"
  • Caveling Skull
  • Small Caveling Skull
  • Blood Skull
  • Malugaz Figurine

Omoroth the Sea Titan

As its name implies, Omoroth the Sea Titan is a large boss with an octopus-like appearance. It also has multiple tentacles that players can defeat to make the fight easier than expected.
Location
Omoroth is in the Sunken Sea biome. But players must use the Expert Lure in one of the biome’s whirlpools to summon this boss.
Attacks
Generally, Omoroth will spit large whirlwinds that fly away from its main body. Then, it’ll submerge and reappear in another whirlpool in the arena. Tentacles can also appear that can hit players when they are close.
Loot Drops
  • Floating Titan's Chest
  • Omoroth's Necklace
  • Omoroth's Ring
  • Omoroth's Beak
  • Omoroth's Helm
  • Omoroth's Chestplate
  • Omoroth's Leg Armor
  • Ancient Gemstone
  • Octarine Ore
  • Gold Ore
  • Giant Squid Eye
  • Omoroth's Necklace
  • Omoroth's Ring
  • Omoroth's Beak
  • Omoroth's Helm
  • Omoroth's Chestplate
  • Omoroth's Leg Armor
  • Anchor Axe
  • Omoroth Figurine

Morpha the Aquatic Mass

Another slime-type boss, Morpha the Aquatic Mass, shares a similar look to Glurch and Ivy. But, this time, Morpha has a blue appearance.
Location
Morpha is in the same biome as Omoroth. Players must buy and use the scanner from the spirit merchant to find this boss.
Attacks
Morpha has the same attack pattern as Glurch and Ivy. But this major enemy has a larger health pool and deals more damage than the two other slime bosses.
Loot Drops
  • Morpha's Chest
  • Morpha's Ring
  • Coral Ring
  • Slime Helm
  • Slime Armor
  • Slippery Slime Sword
  • Morpha's Bubble Bag
  • Slippery Slime
  • Octarine Ore
  • Gold Ore
  • Ancient Gemstone
  • Mechanical Part
  • Morpha's Ring
  • Coral Ring
  • Slime Helm
  • Slime Armor
  • Slippery Slime Sword
  • Morpha's Bubble Bag
  • Morpha Figurine

King Slime

King Slime is a boss from the crossover update with Terraria. It also shares the same appearance in Re-Logic’s game but without the ninja inside.
Location
Place a Crown Summoning Idol on Glurch, Ivy, or Morpha’s rune. Players can obtain this item by killing slime-type enemies.
Attacks
King Slime shares a similar attack pattern to the other slime bosses in Core Keeper. However, it’ll also summon Royal Slimes that attack nearby players.
Loot Drops
  • King Slime's Chest
  • King Slime Crown
  • Royal Gel
  • King Slime Figurine
  • Terraria - Journey's Beginning
  • Healing Potion

Ra-Akar the Sand Titan

Ra-Akar the Sand Titan appears as a giant scarab and is also one of the toughest bosses in the game. Its behavior and damage output might only fall short of Igneous the Molten Mass.
Location
Summoning Ra-Akar requires players to place a Thumper in the middle of the boss’ den in the Desert of Beginnings biome.
Attacks
Ra-Akar has four main attacks:
  • Burrows and rages across the battlefield
  • Generates sand whirlpools
  • Generates glowing orbs that follow the player around the arena
  • Summons scarabs to fight for it
Loot Drops
  • Titan's Chest
  • Ra-Akar's Necklace
  • Scarab Visor
  • Scarab Harness
  • Scarab Legs
  • Ancient Gemstone
  • Galaxite Ore
  • Crystal Spearhead
  • Desert Diamond
  • Ring of Sand
  • Ra-Akar's Necklace
  • Scarab Visor
  • Scarab Harness
  • Scarab Legs
  • Ra-Akar Figurine

Igneous the Molten Mass

Although Igneous the Molten Mass doesn’t boast several attacks, getting hit by its gelatinous-like body can spell doom to unprepared players. This boss also shares the same maximum health as Ra-Akar.
Location
Find Igneous like you’re finding any of the other slime bosses in the game. In particular, watch out for screen shakes and use those instances to triangulate the boss’ location.
Attacks
Like other slime bosses, Igneous will try and slam the player using its body. It’ll also jump around the battlefield as it attempts its attacks.
Loot Drops
  • Igneous' Chest
  • Magma Horn Armor
  • Magma Torso Armor
  • Magma Shin Armor
  • Scorching Aegis
  • Burnzooka
  • Magma Slime
  • Ancient Gemstone
  • Galaxite Ore
  • Cipher Parchment
  • Magma Horn Armor
  • Magma Torso Armor
  • Magma Shin Armor
  • Scorching Aegis
  • Burnzooka
  • Igneous Figurine
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