He's a champ!
OVERVIEW: Shuckle was introduced in second gen, coming off with defenses that no other Pokemon could compare to.... and still today, he remains at the top of the defensive tank chain. No other Pokemon can take hits better than a Sandstorm Shuckle, let alone a normal Shuckle. In a Sandstorm, Shuckle receives a special defense increase, allowing less damage from a Scald. Shuckle either works for you though, or it doesn't. It's that simple. But with many more bulky fighting types and stat boosting water types, Shuckle struggles in UU today. But if used correctly, Shuckle can stop teams cold, and win you battles.
Sturdy: Cannot be hit with OHKO moves or be OHKO'd with full HP: Shuckle's best ability, allowing him to stall ability.
Gluttony: Uses berries earlier than normal use: completely useless on Shuckle.
Contrary: Lowers stats when stats should be raised, and raises stats when stats should be lowered: well, this ability is amazing and at first you would think this is a great ability completely wasted on the worst offensive Pokemon, Shuckle. BUT, if you thnk about it, if someone uses Psychic on Shuckle, and they are lucky and get the special defense decrease, in fact, they are increasing your already godly defenses.
Hurrhurr, touch this Shuckle now!
EV's: 252 HP, 248 defense, 8 special attack
Aight, let's crack this bad boy down. Contrary is for making hax or the opponent your hax. Definitely nice. Since nearly nothing can OHKO a Shuckle, you won't need Sturdy. Toxic is an obvious choice. Knock Off can stop Pokemon from healing back with Leftovers. Rest is your only way of healing, and is absolutely amazing with Encore. You can Rest up, recovering all of your HP, then as the other person gets greedy and tries to set up, you can easily Encore him, forcing him to switch out. This set is purely amazing. You'll want maxed HP to make you more bulky, nearly maxed defense, and eight EV's for special defense. You'll want more defense, so choose impish. This set is made for running in a Sandstorm, so if you aren't running in a Sandstorm, you'll need max special defense and max HP instead.
Shuckle has three weaknesses: Steel, water, and rock. Water type is now popular, since Politoed has it's Dream World ability, Drizzle. A good Hydro Pump with Drizzle up should OHKO, but if the Shuckle has more special defensive bulk, it would be a 2HKO. Choice Banded Scizor with max attack and Adamant nature should OHKO with a powerful Bullet Punch. Setting up Stealth Rocks will absolutely murder and cripple Shuckle's ability to wall. Poison Heal Gliscor absolutely counter-walls Shuckle. You can't Toxic, Knock Off is useless, and the only way to stop it if it has Swords Dance. But in the end, Shuckle is a great wall, countering almost every Pokemon in the metagame.
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