As a Water/Poison-type, Tentacruel fills a straightforward role. Only weak to Electric, Ground, and Psychic. Known as the Jellyfish Pokémon. Known as the Jellyfish Pokemon. Can go either physical or special depending on the set.
Sp. Def and Speed carry most of Tentacruel's stat budget. Defense's the obvious dump stat. Moderately hard to find and yields 2 Sp. Def EVs. Follows a slow 1.25M XP grind.
It has 80 tentacles, each with a venomous tip. These tentacles are also extendible, lengthening when Tentacruel attempts to catch prey. Use caution.
Tentacruel Weakness
GoodElectric, Ground, and Psychic-type moves hit Tentacruel for super-effective damage. With 8 resistances, the defensive profile is strong. Tentacruel's special bulk (base 120 Sp.Def) helps absorb special-type weaknesses, though physical moves exploit the lower Defense.
Evolved from Tentacool. Tentacruel is the final form in this two-stage line. A small partner pool for breeding via one egg group. Eggs are average hatch time. HP grew the most through evolution (+40 over Tentacool), and Tentacruel peaks at 515 total stats.
How to Evolve
Timid nature gives Tentacruel the fast special lean it needs to trade hits effectively. Black Sludge adds Poison-type passive recovery, a spread EV build EVs split the difference, and the remaining moves punishes anything trying to wall it.
Best Build
Legends: Arceus uses different battle mechanics.
Competitive build content is not applicable for this game. Select a main series game for builds.
Not a lot to pick from. Tentacruel gets Hydro Pump and Sludge Bomb for same-type damage, and Ghost and Fairy coverage and more rounds things out. You're building around what's available rather than choosing from a deep bench.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
3 encounter spots for Tentacruel at decent spawn rates starting from mid-game routes. Best and Earliest sort options below help narrow down your approach based on odds vs. Accessibility.
Where To Catch Tentacruel in Legends: Arceus
To get Tentacruel, start by catching Tentacool through walking encounters at walking. The chain covers 2 catchable stages before reaching the final form.
Step 1Catch TentacoolEASYIslespy ShoreGrassUncommonEASYLunker's LairGrassUncommonEASYSeagrass HavenGrassUncommon
Step 2Tentacruel ✓EASYIslespy ShoreGrassUncommonEASYLunker's LairGrassUncommonEASYSeagrass HavenGrassUncommonor evolve from Tentacool (Step 1)
We rate Tentacruel B-Tier — a solid choice for the right team. At 515 BST, it fits the pivot role. Base 120 Sp. Def stands out.
Tentacool evolves into Tentacruel at level 30. Tentacruel is the fully evolved form. At 515 BST, it's got solid stats to work with.
Clear Body prevents stats from being lowered by other Pokémon — that's the one you want on Tentacruel. Rain Dish is the hidden ability. Niche, but it has its uses. Liquid Ooze works too if your team needs something different.
Base 100 Speed lets it outrun most of the field. On offense, Tentacruel is a special attacker with base 80 Sp. Atk. Defensively? Enough bulk to take a hit or two. Best used as a pivot.
Tentacruel appears in 21 games, including Yellow, Red & Blue, and Gold & Silver.
One of the original 151, Tentacruel has appeared in 21 games — nearly every mainline game. From Red & Blue through the latest titles, it's rarely been left out of a regional Pokedex.
- Gen IY
Yellow - Gen IRBDebut

Red & Blue - Gen IIGS

Gold & Silver - Gen IIC
Crystal - Gen IIIRS

Ruby & Sapphire - Gen IIIFRLG

FireRed & LeafGreen - Gen IIIE
Emerald - Gen IVPt
Platinum - Gen IVHGSS

HeartGold & SoulSilver - Gen IVDP

Diamond & Pearl - Gen VBW

Black & White - Gen VB2W2

Black 2 & White 2 - Gen VIXY

X & Y - Gen VIORAS

Omega Ruby & Alpha Sapphire - Gen VIIUSUM

Ultra Sun & Ultra Moon - Gen VIISM

Sun & Moon - Gen VIILGPE

Let's Go Pikachu & Eevee - Gen VIIISwSh

Sword & Shield - Gen VIIIPLA
Legends: Arceus - Gen VIIIBDSP

Brilliant Diamond & Shining Pearl - Gen IXSV

Scarlet & Violet - Gen IXLZA
Legends: Z-A