>>13996037252 Atk Life Orb Landorus Earthquake vs. 252 HP / 252+ Def Eviolite Multiscale Lairon: 156-187 (48.14 - 57.71%) -- 90.23% chance to 2HKO
252+ Atk Terrakion Close Combat vs. 252 HP / 252+ Def Eviolite Multiscale Lairon: 164-194 (50.61 - 59.87%) -- guaranteed 2HKO
252 Atk Choice Band Infernape Close Combat vs. 252 HP / 252+ Def Eviolite Multiscale Lairon: 192-228 (59.25 - 70.37%) -- guaranteed 2HKO
252 Atk Choice Band Garchomp Earthquake vs. 252 HP / 252+ Def Eviolite Multiscale Lairon: 186-222 (57.4 - 68.51%) -- guaranteed 2HKO
252 SpA Choice Specs Keldeo Hydro Pump vs. 252 HP / 4 SpD Eviolite Multiscale Lairon: 337-397 (104.01 - 122.53%) -- guaranteed OHKO
That's with Eviolite and Multiscale (which is effectively the same thing as heavy armor)
It can tank maybe one hit and then do nothing in return.
