Who is able to check the Tapus?

Question

I need one mon that can check majority of them.

Comments

My best answer is Greninja, which can outspeed all of them (if you aren't using a choice scarf yourself, beware of choice scarves) and OHKO them with gunk shot.

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Gren is slower than Koko. In a similar vein, Mega Metagross can check every Tapu bar Koko and Scarfed variants of Lele with Shadow Ball/HP Fire. Although Stallbreaker Lele is now considered the best set. Probably the best check is AV Alolan Muk, but it lacks Recovery.

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Just try speed EV Pheromosa. On my Battle Showdown, it literally ruled the Tapus.

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Yeah, Pheromosa is pretty good, but it doesn't OHKO Fini with Poison Jab, and I kinda doubt it does Koko or Lele, so you would need some prior damage. I would suggest not putting the stress of checking all four Tapus on one Pokemon. The more a Pokemon has to do, the faster it gets worn down and dies, leaving you with no Pokemon to do it's job at all.

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It actually did EVERY one of those. Once I had someone use all 4 of them on their team but I OHKO'd them with Poison Jab. So yeah.

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Maybe their Tapu Fini didn't have HP or physical defense investment. You still need to prepare for physically defensive Tapu Finis.

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If you want to argue show me calc of Adamant LO Poison Jab vs actual Tapu sets

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252+ Atk Life Orb Pheromosa Poison Jab vs. 0 HP / 0 Def Tapu Koko: 296-351 (105.3 - 124.9%) -- guaranteed OHKO

252+ Atk Life Orb Pheromosa Poison Jab vs. 0 HP / 0 Def Tapu Lele: 330-390 (117.4 - 138.7%) -- guaranteed OHKO
252+ Atk Life Orb Pheromosa Poison Jab vs. 252 HP / 0 Def Tapu Lele: 330-390 (95.9 - 113.3%) -- 75% chance to OHKO
252+ Atk Life Orb Pheromosa Poison Jab vs. 252 HP / 0+ Def Tapu Lele: 302-356 (87.7 - 103.4%) -- 18.8% chance to OHKO

252+ Atk Life Orb Pheromosa Poison Jab vs. 252 HP / 0 Def Tapu Bulu: 463-546 (134.5 - 158.7%) -- guaranteed OHKO

252+ Atk Life Orb Pheromosa Poison Jab vs. 0 HP / 0 Def Tapu Fini: 231-273 (82.2 - 97.1%) -- guaranteed 2HKO
252+ Atk Life Orb Pheromosa Poison Jab vs. 252 HP / 0 Def Tapu Fini: 231-273 (67.1 - 79.3%) -- guaranteed 2HKO
252+ Atk Life Orb Pheromosa Poison Jab vs. 252 HP / 252+ Def Tapu Fini: 172-203 (50 - 59%) -- guaranteed 2HKO

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I don't really know what's in vogue when it comes to Tapu EVs so I just used 252 spreads.

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specific spreads don't matter, but like i said, tapu fini is NEVER OHKOed by pheromosa unless it has no defense/hp investment and the pheromosa is adamant banded. the chances of a no def/hp fini AND banded phero are pretty slim

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Fine, I admit it, I never fought a Tapu Fini before in Showdown. But holy crap are they annoying in-game.

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It still checks three of them, which is what the original asker asked.

Answer 1

I decided to give an anwser for my old self. And here's the conclusion I made.

Tapu Lele

Muk-Alolan is able check it cause of Assualt Vest. With it, Muk can avoid 2HKOs from Moonblast and Focus Blast and then OHKO it with a Poison Jab.

Tapu Fini

I messed with the Showdown damage calculator and realised that Tapu Koko and OHKO Defensive/Calm Mind Tapu Fini with Thunderbolt in Electric Terrain as Long as I bring in Tapu Koko safely. A taunt is also helpful.

Tapu Koko

Pheromosa is able outspeed and OHKO it with Poison Jab as Astronautical mentioned above. Scarfed Landorus/Garchomp is also able to OHKO it with a Earthquake.

Tapu Bulu

Marowak-A is a solid check to Bulu being able to resist its STAB and other moves. A poison move is also able to bring it down.

And that's done. I realised that I need to depend on different mon to check them, not just only one. I will be removing this from the non selected anwser question section.

Answer 2

All the Tapus are weak to Poison, so I'd suggest using a Poison-Type, like Alolan Muk. I wouldn't use Toxapex or Tentacruel since both are weak to Tapu-Koko's electric attacks. Also, I wouldn't use Salazzle since it's weak to Tapu-Fini's water attacks. Alolan Muk would be immune to Tapu Lele's psychic attacks and takes normal damage from Tapu-Bulu, Tapu-Koko, and Tapu-Fini's attacks.

Comments

Just because they're weak to poison doesn't mean you need to use a poison type Pokemon. Alolan Muk would probably be worse than Pheromosa.

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alolan muk does really well against all but koko. but it doesn't have recovery since it has to run assault vest, so you must play it carefully and conservatively

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I just based this question on type-advantage, not on held-items or IVs.

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Pheromosa can get a type advantage and probably deal more damage with its super effective attacks. It also has higher speed, which means it won't take a hit if it manages to OHKO the opponent.

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But, if it does not OHKO, it will take a Psychic-type attack from Tapu Lele.