Vs.
+6 0 SpA Tapu Fini Stored Power (380 BP) vs. 252 HP / 176+ SpD Ferrothorn: 358-421 (101.7 - 119.6%) -- guaranteed OHKO
0 Atk Ferrothorn Power Whip vs. +2 252 HP / 192+ Def Tapu Fini: 84-102 (24.4 - 29.6%) -- 0% chance to 4HKO after Leftovers recovery
0 Atk Ferrothorn Power Whip vs. +4 252 HP / 192+ Def Tapu Fini: 56-68 (16.2 - 19.7%) -- possible 7HKO after Leftovers recovery
0 Atk Ferrothorn Power Whip vs. +6 252 HP / 192+ Def Tapu Fini: 44-54 (12.7 - 15.6%) -- possibly the worst move ever
Vs.
+2 0 SpA Tapu Fini Stored Power (100 BP) vs. 252 HP / 4 SpD Toxapex: 204-240 (67.1 - 78.9%) -- guaranteed 2HKO
+2 0 SpA Tapu Fini Stored Power (140 BP) vs. 252 HP / 4 SpD Toxapex: 282-334 (92.7 - 109.8%) -- 56.3% chance to OHKO
Vs.
252+ Atk Choice Band Rillaboom Wood Hammer vs. +2 252 HP / 192+ Def Tapu Fini in Grassy Terrain: 282-332 (81.9 - 96.5%) -- guaranteed 2HKO after Leftovers recovery and Grassy Terrain recovery
Vs.
176 SpA Slowking-Galar Sludge Bomb vs. +1 252 HP / 0 SpD Tapu Fini: 134-158 (38.9 - 45.9%) -- guaranteed 3HKO after Leftovers recovery
176 SpA Slowking-Galar Sludge Bomb vs. +2 252 HP / 0 SpD Tapu Fini: 102-120 (29.6 - 34.8%) -- guaranteed 4HKO after Leftovers recovery
176 SpA Slowking-Galar Sludge Bomb vs. +3 252 HP / 0 SpD Tapu Fini: 80-96 (23.2 - 27.9%) -- possible 5HKO after Leftovers recovery
+6 0 SpA Tapu Fini Stored Power (260 BP) vs. 252 HP / 80+ SpD Assault Vest Slowking-Galar: 370-436 (93.9 - 110.6%) -- 62.5% chance to OHKO
Vs.
+2 252 Atk Life Orb Garchomp Earthquake vs. +2 252 HP / 192+ Def Tapu Fini: 146-173 (42.4 - 50.2%) -- guaranteed 3HKO after Leftovers recovery
+1 0 SpA Tapu Fini Draining Kiss vs. 0 HP / 0 SpD Garchomp: 180-212 (50.4 - 59.3%) -- guaranteed 2HKO
Vs.
+5 0 SpA Tapu Fini Stored Power (220 BP) vs. 252 HP / 4 SpD Blissey: 406-478 (56.8 - 66.9%) -- guaranteed 2HKO
+6 0 SpA Tapu Fini Stored Power (300 BP) vs. 252 HP / 4 SpD Blissey: 632-744 (88.5 - 104.2%) -- 31.3% chance to OHKO
Blissey Seismic Toss vs. 252 HP Tapu Fini: 100-100 (29 - 29%) -- guaranteed 5HKO after Leftovers recovery
+3 0 SpA Tapu Fini Draining Kiss vs. 252 HP / 4 SpD Blissey: 100-118 (14 - 16.5%) -- possible 7HKO
(+3 w lefties can outheal stoss with rolls, +4 always does letting it set up more boosts)