Phatmence, eh?
Salamence @ Leftovers
Ability: Intimidate
EVs: 252 HP / 120 Def / 136 Spe
Lax / Bold / Impish Nature
- Draco Meteor / Dragon Claw
- Earthquake / Flamethrower
- Toxic / Wish / Defog
- Roost
Mienshao, Heracross, Victini, Honchkrow, or Darmanitan giving you trouble? Not anymore. This thing is very cool. Sure, it's weak to Stealth Rock, but good hazard support isn't too hard. Speed EVs outrun Adamant Hera, and then the rest goes into HP and Defense. Draco Meteor seems odd, but it's actually stronger than Dragon Claw against a target with equal defenses over two turns, and it has a good amount of upfront power even without investment. If the drops do bother you, Dragon Claw is still a good choice. I like to use Earthquake with it so that the Special Attack drops don't affect my other move, and it hits the Steel-types that resist Dragon. However, Flamethrower hits Forretress much harder. Then in the third slot, you want a support move. Toxic is nice for catching the Swamperts and Slowbros that try to come in on Salamence, and it doesn't hurt to catch a Florges and burn an Aromatherapy either. Wish heals up your other Pokemon nicely, as Salamence has a pretty good HP stat, and Defog obviously clears hazards if no one else on your team can do it, although I don't recommend it on a Pokemon that is weak to Rock and takes Stone Edges somewhat often. In the final slot, Roost recovers reliably and takes away your Rock weakness. This thing is a cool physical wall. Try it.
-1 252 Atk Life Orb Mienshao Stone Edge vs. 252 HP / 120+ Def Salamence: 177-208 (44.9 - 52.7%) -- guaranteed 3HKO after Leftovers recovery
-1 252+ Atk Choice Band Heracross Stone Edge vs. 252 HP / 120+ Def Salamence: 222-262 (56.3 - 66.4%) -- guaranteed 2HKO after Leftovers recovery (after which you just Roost and take half that)
-1 252 Atk Choice Band Victini V-create vs. 252 HP / 120+ Def Salamence: 116-137 (29.4 - 34.7%) -- 100% chance to 4HKO after Leftovers recovery
-1 252 Atk Sheer Force Darmanitan Rock Slide vs. 252 HP / 120+ Def Salamence: 144-170 (36.5 - 43.1%) -- 98.2% chance to 3HKO after Leftovers recovery
-1 252+ Atk Life Orb Honchkrow Brave Bird vs. 252 HP / 120+ Def Salamence: 173-204 (43.9 - 51.7%) -- guaranteed 3HKO after Leftovers recovery (Daaaaaaamn)
EDIT: I'm dumb, 252 HP / 216 Def / 40 Spe Naive is a more efficient spread that gets you two extra defense points for free.