Trevenant

Trevenant's combination of a high Attack stat and access to STAB Wood Hammer makes it one of the strongest dedicated wallbreakers in PU. Additionally, its strong array of unique coverage options such as Earthquake and Rock Slide, which is largely unique to Trevenant, lets it take on common Grass checks such as Mawile and Altaria. This ability to 2HKO common Grass switch-ins gives Trevenant a unique niche of being able to possibly break through its, and all other Grass attackers, own common counters. Access to Natural Cure also gives Trevenant an additional niche over other Grass attackers and walls such as Leafeon and Gourgeist-XL. However, Trevenant's low Speed and competition from more competent Grass-types such as Leafeon, which is faster and has setup options, and Gourgeist-XL, which is bulkier overall, keep Trevenant from standing out on its own in both an offensive and defensive light.