This guide is aimed to help you through the battle against Morpha, the Aquatic Mass, a side boss located in the biome of The Sunken Sea of Core Keeper. By defeating Morpha, you will get some very useful loot, including one of the best bags in the game.
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Where to Find Morpha the Aquatic Mass
Morpha is located in The Sunken Sea biome. To access this area, you must first defeat several key bosses.
How to Unlock Morpha in Core Keeper
To unlock Morpha, you need to:
- Defeat Glurch the Abominable Mass.
- Defeat Ghorm the Devourer.
- Defeat the Hive Mother.
Reactivate the Core by placing each boss' gem into their respective statues.
Speak with the Core to gain access to The Sunken Sea biome.
How to Win the Core Keeper Morpha Boss Fight
Preparing Equipment and Supplies
- Healing Potions: Bring a few to help heal during combat.
- Octarine Weapons: Take the best Octarine weapons to maximise damage output.
- Speed-Enhancing Gear: Increased speed gear will work for you so that you'll have a better chance of dodging Morpha's attacks easily.
Preparing the Arena
Enlarge the Arena: If doable, clean up all the junk and extend the space in which the boss is proximal to at least twice the size of its current radius. The effect is to give you more room to dodge attacks.
Clear other enemies: Ensure that no other enemies are nearby that could add to your problems as the battle evolves.
Combat Strategies
Strategy 1—Ranged
Preferred Approach: Fight Morpha from a distance to avoid its high volume of bubble projectiles. Morpha also performs jump attacks, so keep moving to stay clear of these strikes.
Strategy 2—Melee
Riskier Approach: While melee combat is possible, it’s not recommended due to the danger from Morpha’s bubbles. Expanding the arena and using ranged weapons is generally safer.
How to Summon Morpha Again
To summon Morpha again:
- Acquire a Giant Slime Summoning Idol from the Backpack Merchant for 500 Ancient Coins.
- Place the Idol on the Summoning Rune to respawn Morpha.
Core Keeper Morpha Boss Loot
Here are some of the items you can obtain from defeating Morpha:
- Morpha's Chest: Guaranteed drop with 36 item slots (12×3).
- Morpha's Bubble Bag: Backpack with +20 inventory slots, +4.7% movement speed, and +12% mining damage.
- Ancient Gemstone: Crafting material.
- Slippery Slime: Crafting material.
Frequently Asked Questions
Morpha, the Mass Aquatic, is one of the optional bosses in Core Keeper. You will find Morpha on a large island in the Sunken Sea biome. The location differs from world to world, but most of the time, the island has a covering of blue slime with limestone all around it.
To beat Morpha in Core Keeper, equip the highest-tier weapon and armor available; bring a great amount of healing items. Make sure there is space around the island by killing all enemies and removing any obstacles; this creates a field applicable to the fight.
Keep out of the way to safely use ranged attacks against Morpha's powerful attacks up close, and watch for their swings to get good evades. Keep moving so that Morpha will not trap you with its attack, and keep attacking until it is defeated. May you have a victory in your battle! How about the game now?
On defeating Morpha, one can claim all sorts of loot from within the Core Keeper. Morpha will always drop Morpha's Chest and potentially Morpha's Ring, Coral Ring, Slime Helm, Slime Armor, Slippery Slime Sword, Morpha's Bubble Bag, and Oozy Slippery Egg.
Other resources you may gain from defeating Morpha include Slippery Slime, Octarine Ore, Gold Ore, Ancient Gemstones, and mechanical parts.