252 SpA Choice Specs Hydreigon Dark Pulse vs. 248 HP / 44 SpD Altaria-Mega: 87-103 (24.6 - 29.1%) -- 0% chance to 3HKO after Stealth Rock
252 Atk Sheer Force Darmanitan Flare Blitz vs. 248 HP / 216+ Def Altaria-Mega: 93-110 (26.3 - 31.1%) -- 30.6% chance to 3HKO after Stealth Rock
252 Atk Choice Band Infernape Flare Blitz vs. 248 HP / 216+ Def Altaria-Mega: 87-103 (24.6 - 29.1%) -- 0% chance to 3HKO after Stealth Rock
+2 252 Atk Adaptability Crawdaunt Hydro Vortex (180 BP) vs. 248 HP / 216+ Def Altaria-Mega: 256-302 (72.5 - 85.5%) -- guaranteed 2HKO after Stealth Rock
252 Atk Choice Band Adaptability Crawdaunt Crabhammer vs. 248 HP / 216+ Def Altaria-Mega: 107-127 (30.3 - 35.9%) -- guaranteed 3HKO after Stealth Rock
0 Atk Pixilate Altaria-Mega Return vs. 0 HP / 0 Def Crawdaunt: 326-386 (122 - 144.5%) -- guaranteed OHKO
0 Atk Pixilate Altaria-Mega Return vs. 0 HP / 4 Def Infernape: 187-222 (63.8 - 75.7%) -- guaranteed 2HKO
0 Atk Pixilate Altaria-Mega Return vs. 0 HP / 0 Def Hydreigon: 624-736 (192 - 226.4%) -- guaranteed OHKO
252 SpA Life Orb Latias Psychic vs. 248 HP / 44 SpD Altaria-Mega: 156-185 (44.1 - 52.4%) -- 19.1% chance to 2HKO
252 SpA Latias Psychic vs. 248 HP / 44 SpD Altaria-Mega: 120-142 (33.9 - 40.2%) -- guaranteed 3HKO after Stealth Rock
252 SpA Latias Shattered Psyche (175 BP) vs. 248 HP / 44 SpD Altaria-Mega: 234-276 (66.2 - 78.1%) -- guaranteed 2HKO after Stealth Rock
0 Atk Pixilate Altaria-Mega Return vs. 4 HP / 0 Def Latias: 312-368 (103.3 - 121.8%) -- guaranteed OHKO
252 SpA Chandelure Fire Blast vs. 248 HP / 44 SpD Altaria-Mega: 89-105 (25.2 - 29.7%) -- 1.9% chance to 3HKO after Stealth Rock
252 SpA Chandelure Shadow Ball vs. 248 HP / 44 SpD Altaria-Mega: 130-154 (36.8 - 43.6%) -- guaranteed 3HKO
252 Atk Guts Heracross Facade (140 BP) vs. 248 HP / 216+ Def Altaria-Mega: 154-182 (43.6 - 51.5%) -- 9% chance to 2HKO
252 Atk Guts Heracross Close Combat vs. 248 HP / 216+ Def Altaria-Mega: 99-117 (28 - 33.1%) -- guaranteed 4HKO
252 Atk Guts Heracross Close Combat vs. 248 HP / 216+ Def Altaria-Mega: 99-117 (28 - 33.1%) -- 92.8% chance to 3HKO after Stealth Rock
252 Atk Guts Heracross Facade (140 BP) vs. 248 HP / 216+ Def Altaria-Mega: 154-182 (43.6 - 51.5%) -- 99.6% chance to 2HKO after Stealth Rock
0 Atk Pixilate Altaria-Mega Return vs. 0 HP / 4 Def Heracross: 360-426 (119.6 - 141.5%) -- guaranteed OHKO
252 Atk Krookodile Earthquake vs. 248 HP / 216+ Def Altaria-Mega: 106-126 (30 - 35.6%) -- guaranteed 3HKO after Stealth Rock
-1 0 Atk Pixilate Altaria-Mega Return vs. 0 HP / 4 Def Krookodile: 228-270 (68.8 - 81.5%) -- guaranteed 2HKO
0 Atk Pixilate Altaria-Mega Return vs. 0 HP / 4 Def Krookodile: 342-404 (103.3 - 122%) -- guaranteed OHKO
252+ SpA Choice Specs Volcanion Steam Eruption vs. 248 HP / 44 SpD Altaria-Mega: 135-160 (38.2 - 45.3%) -- guaranteed 3HKO
252+ SpA Choice Specs Volcanion Sludge Wave vs. 248 HP / 44 SpD Altaria-Mega: 314-370 (88.9 - 104.8%) -- 31.3% chance to OHKO
252+ SpA Choice Specs Volcanion Steam Eruption vs. 248 HP / 44 SpD Altaria-Mega: 135-160 (38.2 - 45.3%) -- 11.7% chance to 2HKO after Stealth Rock
252 SpA Manectric-Mega Hidden Power Ice vs. 248 HP / 44 SpD Altaria-Mega: 124-148 (35.1 - 41.9%) -- guaranteed 3HKO after Stealth Rock
-1 0 Atk Pixilate Altaria-Mega Return vs. 0 HP / 0 Def Manectric-Mega: 114-135 (40.5 - 48%) -- 60.5% chance to 2HKO after Stealth Rock
252 SpA Choice Specs Raikou Hidden Power Ice vs. 248 HP / 44 SpD Altaria-Mega: 166-196 (47 - 55.5%) -- 74.2% chance to 2HKO
252 SpA Choice Specs Raikou Shadow Ball vs. 248 HP / 44 SpD Altaria-Mega: 110-130 (31.1 - 36.8%) -- 73.6% chance to 3HKO
252 SpA Choice Specs Raikou Thunderbolt vs. 248 HP / 44 SpD Altaria-Mega: 93-110 (26.3 - 31.1%) -- guaranteed 4HKO
0 Atk Pixilate Altaria-Mega Return vs. 0 HP / 0 Def Raikou: 181-214 (56.3 - 66.6%) -- guaranteed 2HKO
252 SpA Choice Specs Raikou Shadow Ball vs. 248 HP / 44 SpD Altaria-Mega: 110-130 (31.1 - 36.8%) -- guaranteed 3HKO after Stealth Rock
252 SpA Choice Specs Raikou Hidden Power Ice vs. 248 HP / 44 SpD Altaria-Mega: 166-196 (47 - 55.5%) -- guaranteed 2HKO after Stealth Rock
252 SpA Choice Specs Raikou Thunderbolt vs. 248 HP / 44 SpD Altaria-Mega: 93-110 (26.3 - 31.1%) -- 30.6% chance to 3HKO after Stealth Rock
252 SpA Raikou Hidden Power Ice vs. 248 HP / 44 SpD Altaria-Mega: 112-132 (31.7 - 37.3%) -- guaranteed 3HKO after Stealth Rock
252 SpA Raikou Never-Ending Nightmare (160 BP) vs. 248 HP / 44 SpD Altaria-Mega: 147-174 (41.6 - 49.2%) -- 84.8% chance to 2HKO after Stealth Rock
+1 252 SpA Raikou Never-Ending Nightmare (160 BP) vs. 248 HP / 44 SpD Altaria-Mega: 220-259 (62.3 - 73.3%) -- guaranteed 2HKO after Stealth Rock
+2 252 SpA Raikou Never-Ending Nightmare (160 BP) vs. 248 HP / 44 SpD Altaria-Mega: 294-346 (83.2 - 98%) -- 68.8% chance to OHKO after Stealth Rock
252 Atk Choice Band Terrakion Stone Edge vs. 248 HP / 216+ Def Altaria-Mega: 169-199 (47.8 - 56.3%) -- 85.9% chance to 2HKO
252 Atk Choice Band Terrakion Rock Slide vs. 248 HP / 216+ Def Altaria-Mega: 127-150 (35.9 - 42.4%) -- guaranteed 3HKO
252 Atk Choice Band Terrakion Close Combat vs. 248 HP / 216+ Def Altaria-Mega: 102-120 (28.8 - 33.9%) -- 1.1% chance to 3HKO
252 Atk Terrakion Continental Crush (180 BP) vs. 248 HP / 216+ Def Altaria-Mega: 204-240 (57.7 - 67.9%) -- guaranteed 2HKO
0 Atk Pixilate Altaria-Mega Return vs. 0 HP / 4 Def Terrakion: 308-366 (95.3 - 113.3%) -- 75% chance to OHKO
252+ Atk Sharpedo Ice Fang vs. 248 HP / 216+ Def Altaria-Mega: 102-122 (28.8 - 34.5%) -- 4.2% chance to 3HKO
252 Atk Strong Jaw Sharpedo-Mega Ice Fang vs. 248 HP / 216+ Def Altaria-Mega: 156-184 (44.1 - 52.1%) -- 14.1% chance to 2HKO
252 Atk Strong Jaw Sharpedo-Mega Ice Fang vs. 248 HP / 216+ Def Altaria-Mega: 156-184 (44.1 - 52.1%) -- guaranteed 2HKO after Stealth Rock
0 Atk Pixilate Altaria-Mega Return vs. 0 HP / 4 Def Sharpedo-Mega: 380-450 (135.2 - 160.1%) -- guaranteed OHKO