Tentacool is a PokeBonk League partner of uncommon rarity and Water / Poison type. Its unlock challenge counts from your first run, with no League members needed. During a run it evolves into Tentacruel (Lv. 40).
- Passive
- Armor, and periodic poison lashes at nearby enemies.
- How to unlock
- Poison 2,500 Pokémon in a single run.
- League members needed
- None
- Evolution
- Tentacool → Tentacruel (Lv. 40)
Partner data comes from community testing on v0.7.7 (2026-10-20), before Season 2. The game is now on v0.8.28, so some challenges may have changed since, and we re-check them as we play.
Moves and fusions for Tentacool
- Signature fusion: Jellyfish Whirl, from Venoshock + Whirlpool at max level in Bill's Machine.
- Two maxed Water moves fuse into Tidal Wave, the Water type fusion, an easy target that fits Tentacool's type.
- Two maxed Poison moves fuse into Toxic Swamp, the Poison type fusion, an easy target that fits Tentacool's type.
- Conductive Storm is a reaction fusion from a Water move and a Electric move.
- Boiling Geyser is a reaction fusion from a Fire move and a Water move.
- Toxic Combustion is a reaction fusion from a Poison move and a Fire move.
Plan a build with Tentacool All move fusions →
Unlock alongside Tentacool
These partners' challenges count the same thing as Tentacool's (Pokémon poisoned), so the same runs move all of them forward.
Other Water partners
Squirtle · Psyduck · Poliwag · Slowpoke · Seel · Shellder · Krabby · Horsea · Goldeen · Staryu · Magikarp · Lapras · Omanyte · Kabuto
Other Poison partners
Bulbasaur · Weedle · Ekans · Nidoran♀ · Nidoran♂ · Zubat · Oddish · Venonat · Bellsprout · Grimer · Gastly · Koffing
How do I unlock Tentacool in PokeBonk?
Poison 2,500 Pokémon in a single run.
What type is Tentacool in PokeBonk?
Water / Poison. Armor, and periodic poison lashes at nearby enemies.
When does Tentacool evolve in PokeBonk?
Tentacool → Tentacruel (Lv. 40).