Serperior Calcs

VS Scarf Chomp
+2 212 SpA Expert Belt Serperior Dragon Pulse vs. 4 HP / 0 SpD Garchomp: 338-401 (94.4 - 112%) -- guaranteed OHKO after Stealth Rock
252 Atk Garchomp Dragon Claw vs. 128 HP / 0 Def Serperior: 136-162 (42.1 - 50.1%) -- 0.4% chance to 2HKO

VS DD Salamence
+2 212 SpA Expert Belt Serperior Dragon Pulse vs. 0 HP / 0 SpD Salamence: 358-422 (108.1 - 127.4%) -- guaranteed OHKO
252 Atk Life Orb Salamence Outrage vs. 128 HP / 0 Def Serperior: 274-324 (84.8 - 100.3%) -- 6.3% chance to OHKO
+1 252 Atk Life Orb Salamence Dragon Claw vs. 128 HP / 0 Def Serperior: 274-324 (84.8 - 100.3%) -- 6.3% chance to OHKO

VS Special Salamence
252 SpA Life Orb Salamence Draco Meteor vs. 128 HP / 0 SpD Serperior: 257-304 (79.5 - 94.1%) -- guaranteed 2HKO
252 SpA Life Orb Salamence Fire Blast vs. 128 HP / 0 SpD Serperior: 291-343 (90 - 106.1%) -- 37.5% chance to OHKO

VS Specs Kindra
+2 212 SpA Serperior Leaf Storm vs. 0 HP / 0 SpD Kingdra: 295-348 (101.3 - 119.5%) -- guaranteed OHKO
+2 212 SpA Expert Belt Serperior Dragon Pulse vs. 0 HP / 0 SpD Kingdra: 312-367 (107.2 - 126.1%) -- guaranteed OHKO
252+ SpA Choice Specs Kingdra Ice Beam vs. 128 HP / 0 SpD Serperior: 272-320 (84.2 - 99%) -- guaranteed 2HKO
BE CAREFULL -> 252+ SpA Choice Specs Kingdra Draco Meteor vs. 128 HP / 0 SpD Serperior: 294-346 (91 - 107.1%) -- 43.8% chance to OHKO
But if Timid Kingdra -> 252 SpA Choice Specs Kingdra Draco Meteor vs. 128 HP / 0 SpD Serperior: 268-316 (82.9 - 97.8%) -- guaranteed 2HKO

VS Dragalge
+2 212 SpA Expert Belt Serperior Dragon Pulse vs. 252 HP / 0 SpD Dragalge: 250-295 (74.8 - 88.3%) -- guaranteed OHKO after TWO Stealth Rock damage

VS Dragonite
+2 212 SpA Expert Belt Serperior Dragon Pulse vs. 0 HP / 0 SpD Dragonite: 298-350 (92.2 - 108.3%) -- guaranteed OHKO after Stealth Rock
252+ Atk Life Orb Dragonite Fire Punch vs. 128 HP / 0 Def Serperior: 250-296 (77.3 - 91.6%) -- guaranteed 2HKO