With all EVs in HP and Attack, Heavy-hitting Physical Attacker Build. STAB physical moves and Punch subweapons let it tank hits and counter.

Alternative Move Options

Thunder/Fire Punch are also subweapon options

As alternatives to Ice Punch or Drain Punch, Thunder Punch or Fire Punch are recommended. Skarmory or Corviknightare effective targets.

Heavy-hitting Physical Attacker Role

Leveraging its 159 base Attack and ability boost, a role of pressuring the opponent's team. With Ghost/Ground's strong coverage and Punch-based healing, it functions as an attacker that wins face-offs despite low Speed.

Threats

Weak to bulky Pokémon it can't hit super-effectively

Mega Golurk learns no Attack-boosting status moves, so it struggles to break bulky Pokémon it can't hit super-effectively. If 1-2 hits won't KO, swap to another Pokémon.

The opponent's attack Focus SashGolurk matchup attacker build that survives once via this while pressing high-damage physical moves.No Guard leverages, originally low-accuracy moves with strong additional effects Dynamic Punch reliably hits to win exchanges as the configuration.

Role of the Focus Sash Attacker build

Sent out from the lead or after a faint, holding Focus Sash uses as a shield to reliably secure action counts as the main role. The confusion-inducing move Dynamic Punch switches between wide-coverage moves like high-power STAB, Forcibly handles matchup opponents with significant pressure — its role.