
Baneful Bunker	Poison POI	Status	-	-	10	-	In addition to protecting the user from attacks, this move also poisons any attacker that makes direct contact.
Strength Sap	Grass GRA	Status	-	100	10	-	The user restores its HP by the same amount as the target's Attack stat. It also lowers the target's Attack stat.
Bouncy Bubble	Water WAT	Special	60	100	20	-	The user attacks by shooting water bubbles at the target. It then absorbs water and restores its HP by the damage taken by the target.
Malignant Chain	Poison POI	Special	100	100	5	50	The user pours toxins into the target by wrapping them in a toxic, corrosive chain. This may also leave the target badly poisoned.

Tentacool Moves learned by level:


28	Hex	Ghost GHO	Special	65	100	10	-	This relentless attack does massive damage to a target affected by status conditions.
8	Wrap	Normal NOR	Physical	15	90	20	-	A long body, vines, or the like are used to wrap and squeeze the target for four to five turns.
1	Poison Sting	Poison POI	Physical	15	100	35	30	The user stabs the target with a poisonous stinger. This may also poison the target.
12	Supersonic	Normal NOR	Status	-	55	20	-	The user generates odd sound waves from its body that confuse the target.
4	Acid	Poison POI	Special	40	100	30	10	Opposing Pokémon are attacked with a spray of harsh acid. This may also lower their Sp. Def stats.
1	Water Gun	Water WAT	Special	40	100	25	-	The target is blasted with a forceful shot of water.
48	Hydro Pump	Water WAT	Special	110	80	5	-	The target is blasted by a huge volume of water launched under great pressure.
40	Surf	Water WAT	Special	90	100	15	-	The user attacks everything around it by swamping its surroundings with a giant wave.
24	Bubble Beam	Water WAT	Special	65	100	20	10	A spray of bubbles is forcefully ejected at the target. This may also lower the target's Speed stat.
20	Screech	Normal NOR	Status	-	85	40	-	An earsplitting screech harshly lowers the target's Defense stat.
32	Acid Armor	Poison POI	Status	-	-	20	-	The user alters its cellular structure to liquefy itself, sharply raising its Defense stat.
16	Water Pulse	Water WAT	Special	60	100	20	20	The user attacks the target with a pulsing blast of water. This may also confuse the target.
36	Poison Jab	Poison POI	Physical	80	100	20	30	The target is stabbed with a tentacle, arm, or the like steeped in poison. This may also poison the target.
44	Sludge Wave	Poison POI	Special	95	100	10	10	The user strikes everything around it by swamping the area with a giant sludge wave. This may also poison those hit.

Tentacool moves learned via TM:


Swords Dance	Normal NOR	Status	-	-	20	-	A frenetic dance to uplift the fighting spirit. This sharply raises the user's Attack stat.
Cut	Normal NOR	Physical	50	95	30	-	The target is cut with a scythe or claw.
Confide	Normal NOR	Status	-	-	20	-	The user tells the target a secret, and the target loses its ability to concentrate. This lowers the target's Sp. Atk stat.
Brutal Swing	Dark DAR	Physical	60	100	20	-	The user swings its body around violently to inflict damage on everything in its vicinity.
Giga Drain	Grass GRA	Special	75	100	10	-	A nutrient-draining attack. The user's HP is restored by half the damage taken by the target.
Endure	Normal NOR	Status	-	-	10	-	The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.
Tera Blast	Normal NOR	Special	80	100	10	-	If the user has Terastallized, it unleashes energy of its Tera Type. This move inflicts damage using the Attack or Sp. Atk stat-whichever is higher for the user.
Scald	Water WAT	Special	80	100	15	30	The user shoots boiling hot water at its target. This may also leave the target with a burn.
Hex	Ghost GHO	Special	65	100	10	-	This relentless attack does massive damage to a target affected by status conditions.
Dazzling Gleam	Fairy FAI	Special	80	100	10	-	The user damages opposing Pokémon by emitting a powerful flash.
Infestation	Bug BUG	Special	20	100	20	-	The target is infested and attacked for four to five turns. The target can't flee during this time.
Flip Turn	Water WAT	Physical	60	100	20	-	After making its attack, the user rushes back to switch places with a party Pokémon in waiting.
Take Down	Normal NOR	Physical	90	85	20	-	A reckless, full-body charge attack for slamming into the target. This also damages the user a little.
Double-Edge	Normal NOR	Physical	120	100	15	-	A reckless, life-risking tackle in which the user rushes the target. This also damages the user quite a lot.
Hydro Pump	Water WAT	Special	110	80	5	-	The target is blasted by a huge volume of water launched under great pressure.
Surf	Water WAT	Special	90	100	15	-	The user attacks everything around it by swamping its surroundings with a giant wave.
Ice Beam	Ice ICE	Special	90	100	10	10	The target is struck with an icy-cold beam of energy. This may also leave the target frozen.
Blizzard	Ice ICE	Special	110	70	5	10	A howling blizzard is summoned to strike opposing Pokémon. This may also leave the opposing Pokémon frozen.
Toxic	Poison POI	Status	-	90	10	-	A move that leaves the target badly poisoned. Its poison damage worsens every turn.
Screech	Normal NOR	Status	-	85	40	-	An earsplitting screech harshly lowers the target's Defense stat.
Double Team	Normal NOR	Status	-	-	15	-	By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.
Confuse Ray	Ghost GHO	Status	-	100	10	-	The target is exposed to a sinister ray that triggers confusion.
Haze	Ice ICE	Status	-	-	30	-	The user creates a haze that eliminates every stat change among all the Pokémon engaged in battle.
Reflect	Psychic PSY	Status	-	-	20	-	A wondrous wall of light is put up to reduce damage from physical attacks for five turns.
Waterfall	Water WAT	Physical	80	100	15	20	The user charges at the target and may make it flinch.
Rest	Psychic PSY	Status	-	-	5	-	The user goes to sleep for two turns. This fully restores the user's HP and heals any status conditions.
Substitute	Normal NOR	Status	-	-	10	-	The user creates a substitute for itself using some of its HP. The substitute serves as the user's decoy.
Thief	Dark DAR	Physical	60	100	25	-	The user attacks and has a 30% chance to steal the target's held item simultaneously.
Snore	Normal NOR	Special	50	100	15	30	This attack can be used only if the user is asleep. The harsh noise may also make the target flinch.
Curse	Ghost GHO	Status	-	-	10	-	A move that works differently for the Ghost type than for all other types.
Protect	Normal NOR	Status	-	-	10	-	This move enables the user to protect itself from all attacks. Its chance of failing rises if it is used in succession.
Sludge Bomb	Poison POI	Special	90	100	10	30	Unsanitary sludge is hurled at the target. This may also poison the target.
Icy Wind	Ice ICE	Special	55	95	15	100	The user attacks with a gust of chilled air. This also lowers opposing Pokémon's Speed stats.
Swagger	Normal NOR	Status	-	85	15	-	The user enrages and confuses the target. However, this also sharply raises the target's Attack stat.
Attract	Normal NOR	Status	-	100	15	-	If it is the opposite gender of the user, the target becomes infatuated and less likely to attack.
Sleep Talk	Normal NOR	Status	-	-	10	-	While it is asleep, the user randomly uses one of the moves it knows.
Return	Normal NOR	Physical	-	100	20	-	This full-power attack grows more powerful the more the user likes its Trainer.
Frustration	Normal NOR	Physical	-	100	20	-	This full-power attack grows more powerful the less the user likes its Trainer.
Safeguard	Normal NOR	Status	-	-	25	-	The user creates a protective field that prevents status conditions for five turns.
Hidden Power	Normal NOR	Special	60	100	15	-	A unique attack that varies in type depending on the Pokémon using it.
Rain Dance	Water WAT	Status	-	-	5	-	The user summons a heavy rain that falls for five turns, powering up Water-type moves. It lowers the power of Fire-type moves.
Whirlpool	Water WAT	Special	35	85	15	-	The user traps the target in a violent swirling whirlpool for four to five turns.
Hail	Ice ICE	Status	-	-	10	-	The user summons a hailstorm lasting five turns. It damages all Pokémon except Ice types.
Facade	Normal NOR	Physical	70	100	20	-	This attack move doubles its power if the user is poisoned, burned, or paralyzed.
Knock Off	Dark DAR	Physical	65	100	20	-	The user slaps down the target's held item, and that item can't be used in that battle. The move does more damage if the target has a held item.
Dive	Water WAT	Physical	80	100	10	-	Diving on the first turn, the user floats up and attacks on the next turn.
Muddy Water	Water WAT	Special	90	85	10	30	The user attacks by shooting muddy water at opposing Pokémon. This may also lower their accuracy.
Water Pulse	Water WAT	Special	60	100	20	20	The user attacks the target with a pulsing blast of water. This may also confuse the target.
Brine	Water WAT	Special	65	100	10	-	If the target's HP is half or less, this attack will hit with double the power.
Payback	Dark DAR	Physical	50	100	10	-	The user stores power, then attacks. If the user moves after the target, this attack's power will be doubled.
Toxic Spikes	Poison POI	Status	-	-	20	-	The user lays a trap of poison spikes at the feet of the opposing team. The spikes will poison opposing Pokémon that switch into battle.
Poison Jab	Poison POI	Physical	80	100	20	30	The target is stabbed with a tentacle, arm, or the like steeped in poison. This may also poison the target.
Cross Poison	Poison POI	Physical	70	100	20	10	A slashing attack with a poisonous blade that may also poison the target. Critical hits land more easily.
Venoshock	Poison POI	Special	65	100	10	-	The user drenches the target in a special poisonous liquid. This move's power is doubled if the target is poisoned.
Sludge Wave	Poison POI	Special	95	100	10	10	The user strikes everything around it by swamping the area with a giant sludge wave. This may also poison those hit.
Acid Spray	Poison POI	Special	40	100	20	100	The user spits fluid that works to melt the target. This harshly lowers the target's Sp. Def stat.
Round	Normal NOR	Special	60	100	15	-	The user attacks the target with a song. Others can join in the Round to increase the power of the attack.

Pokédex