Usable items Epic
Primeval Slime Cell原始のスライム細胞
A highly mutative, crystalized cell. Its black mucus attracts the oldest of organisms to where ancient lifeforms still roam.
In-game description
How to use Primeval Slime Cell
Primeval Slime Cell is a summoning item for Urschleim. Use it to fight the boss again, for example to farm its drops.
- Go to The Passage and use Primeval Slime Cell (it takes 2 seconds).
- Urschleim appears a short distance away from you and travels clockwise around The Passage.
If Urschleim is already alive, using Primeval Slime Cell does nothing and the item is not used up.
Primeval Slime Cell key points (from the game data)
- Sells to merchants for 100 Ancient Coins.
Calculated and summarized by this site from the game data (1.3.0.6).
Primeval Slime Cell notes
- Urschleim always moves clockwise through The Passage.
- It appears a short distance from the player.
- If Urschleim is still alive, the cell has no effect (the game tells you nothing happens) and you keep it.
These notes cover behavior that the game files do not show directly. They are based on facts from the Core Keeper Wiki (Fandom) page "Primeval Slime Cell" (CC BY-SA 3.0), rewritten in this site's own words.
How to craft Primeval Slime Cell (materials)
Crafted at
Rift Statue What each crafting station makes →
| Material | Amount | How to get the material |
|---|---|---|
 Cytoplasm |
× 40 | BossEnemyChestBreakable |
 Ancient Gemstone |
× 30 | FishingBossEnemyChestBreakable |
Crafting time: 2 s
