MANSQUITO (Buzzwole) @ Assault Vest
Ability: Beast Boost
EVs: 252 HP / 4 Atk / 236 SpD / 16 Spe
Careful Nature
- Power-Up Punch
- Leech Life
- Earthquake
- Poison Jab

>252 HP + 236 spdef + careful nature + assault vest
252+ SpA Life Orb Mewtwo Psychic vs. 252 HP / 236+ SpD Assault Vest Buzzwole: 343-406 (82 - 97.1%) -- guaranteed 2HKO
>power up punch to increase attack
>leech life to recover health
>4 atk to get beast boost on attack
>16 speed to outspeed a pokemon with 80 base speed + 4 evs

Can anything stop chadswole?
inb4
>pidgey used gust!