(+2 has been used to simulate a charge boost as that has not yet been added to the pokemon calculator)
     +2 252 Atk Tapu Koko Gigavolt Havoc (175 BP) vs 248 HP / 88 Def Venusaur-Mega in Electric Terrain: 306-360 (84.2 - 99.1%) -- 75% chance to OHKO after 1 layer of Spikes
     +2 252 Atk Tapu Koko Gigavolt Havoc (175 BP) vs. 252 HP / 48 Def Ferrothorn in Electric Terrain: 300-353 (85.2 - 100.2%) -- 81.3% chance to OHKO after 1 layer of Spikes and Leftovers recovery
     +2 252 Atk Tapu Koko Gigavolt Havoc (175 BP) vs. 252 HP / 4 Def Latias-Mega in Electric Terrain: 335-394 (92 - 108.2%) -- 50% chance to OHKO
     +2 252 Atk Tapu Koko Gigavolt Havoc (175 BP) vs 248 HP / 0 Def Tapu Bulu: 232-273 (67.6 - 79.5%) -- guaranteed 2HKO after 1 layer of Spikes and Grassy Terrain recovery
     +2 252 Atk Tapu Koko Gigavolt Havoc (175 BP) vs. 252 HP / 28 Def Tangrowth in Electric Terrain: 317-373 (78.4 - 92.3%) -- 37.5% chance to OHKO after 1 layer of Spikes
  If physdef gren has a field day so w/e
  Mag and chansey obviously die too lol