If I'm understanding how Orialchum Pulse/Hadron Engine works properly even conservative modifiers would enable Miraidon to comfortably OHKO max SpD Lugia through Multiscale with its signature move.
Very niche scenario but that's still nuts.
If it gets rising voltage it is going to wall break so hard lol
+1 252 SpA Choice Specs Pikachu Rising Voltage (140 BP) vs. 252 HP / 252+ SpD Giratina in Electric Terrain: 217-256 (43 - 50.7%) -- 53.1% chance to 2HKO after Stealth Rock and Leftovers recovery
+1 252 SpA Choice Specs Pikachu Rising Voltage (140 BP) vs. 0 HP / 4 SpD Zekrom in Electric Terrain: 170-201 (49.8 - 58.9%) -- 99.6% chance to 2HKO
+1 252 SpA Choice Specs Pikachu Rising Voltage (140 BP) vs. 164 HP / 252 SpD Eternatus in Electric Terrain: 280-330 (60.6 - 71.4%) -- guaranteed 2HKO
+1 252 SpA Choice Specs Pikachu Rising Voltage (140 BP) vs. 0 HP / 0 SpD Dialga in Electric Terrain: 343-404 (100.5 - 118.4%) -- guaranteed OHKO
+1 252 SpA Choice Specs Pikachu Rising Voltage (140 BP) vs. 4 HP / 252 SpD Eviolite Chansey in Electric Terrain: 349-412 (54.3 - 64.1%) -- guaranteed 2HKO