Heracross

Heracross has outstanding power due to its high base Attack, great offensive typing, and access to high-powered STAB moves and coverage options. Its two abilities, Guts and Moxie, both let it perform unique roles in the metagame. Moreover, Heracross has usable bulk with a set of resistances that allows it to check certain Pokemon such as Krookodile. Heracross's base Speed allows it to outspeed all relevant walls but leaves it prone to being revenge killed by the plethora of faster offensive Pokemon, especially because it has no usable priority. Additionally, its typing makes makes it difficult to deal with the bulky Fairy- and Flying-types of the UnderUsed tier.