Tangrowth

Tangrowth's stellar ability in Regenerator, massive defense stat, good defensive typing, and solid offensive presence makes Tangrowth one of the best walls in the tier. Tangrowth typically operates with an Assault Vest set, becoming a mixed wall that can check threats like Primarina and Thundurus-T on the special end and Excadrill and Zygarde-10% on the physical end. Meanwhile, full investment in physical defense lets it check Zygarde-10%, Zarude, and Conkeldurr more reliably. Access to coverage moves like Knock Off, Focus Blast, and Sludge Bomb let Tangrowth severely cripple defensive Pokemon such as Chansey, Cobalion, and Salamence, with physically defensive sets even utilizing Sleep Powder to shut down Scizor. However, Tangrowth is still incredibly vulnerable to types like Poison, Flying, and Fire, causing it to run from threats like Amoonguss, Crobat, and Salamence. Tangrowth faces competition from Amoonguss as a defensive Grass-type, as the latter's Poison typing lets it check threats like Primarina, Keldeo, and opposing Tangrowth more reliably; it can also put foes to sleep more reliably thanks to Spore. However, Tangrowth's huge Defense, generally lower passivity, and ability to cripple walls like Chansey with Knock Off are invaluable. Tangrowth hates being setup fodder for Pokemon like Scizor and Galarian Slowbro, which often force it to switch out against them, and its abysmal Special Defense means its physically defensive set struggles against special attackers like Primarina and Thundurus-T. Finally, Assault Vest Tangrowth is prone to Knock Off from Pokemon it would check, like Azelf, which defeats its role as a special wall.