Stellarion

Stellarion (Flying/Fire) @ Life orb/leftovers
87
227
68
66
60
212

720

air-blaster (for 8 turns this pokemon is immune to all non electrical or flying attacking and non attacking moves, Ignores the opponent ability)


Soar ( 180bp 16pp  Flying Physical)
Blitz (100bp 16 pp Fire Physical, Hit twice)
Earthquake/Roost
Substitute

252+ Atk Life Orb Stellarion Blitz (2 hits) vs. 252 HP / 252+ Def Arceus-Fairy: 460-540 (103.6 - 121.6%) -- guaranteed OHKO
252+ Atk Life Orb Stellarion Soar  vs. 252 HP / 252+ Def Arceus-Fairy: 411-485 (92.5 - 109.2%) -- 56.3% chance to OHKO
252+ Atk Life Orb Stellarion Soar vs. 252 HP / 252+ Def Zygarde-Complete: 407-481 (63.9 - 75.6%) -- guaranteed 2HKO
252+ Atk Life Orb Stellarion Soar vs. 252 HP / 252+ Def Giratina: 411-485 (81.5 - 96.2%) -- guaranteed 2HKO