>>15911046I've been trying to find one myself, and I think Bulk Up is the best way to go.
Seed Bomb/Hammer Arm/Bulk Up/Substitute or Leech Seed.
Go Adamant, Evs in HP and Attack. Chesnaught is already pretty slow, so don't even bother with speed. Hammer Arm is it's strongest Fighting-type STAB I think, which lowers speed anyways.
I REALLY wish it could learn Drain Punch and Horn Leech. And fucking Shell Smash. That'd be awesome!