The game files store 101 as a sentinel for moves that cannot miss, so this move never misses.
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Pokemon that learn Nasty Plot
Alakazam
Psychic · 500
Mega Alakazam
Psychic · 600
Aromatisse
Fairy · 462
Banette
Ghost · 455
Mega Banette
Ghost · 555
Cofagrigus
Ghost · 483
Corviknight
Flying / Steel · 495
Decidueye
Grass / Ghost · 530
Hisuian Decidueye
Grass / Fighting · 530
Delphox
Fire / Psychic · 534
Mega Delphox
Fire / Psychic · 634
Farigiraf
Normal / Psychic · 520
Froslass
Ice / Ghost · 480
Mega Froslass
Ice / Ghost · 580
Gengar
Ghost / Poison · 500
Mega Gengar
Ghost / Poison · 600
Gholdengo
Steel / Ghost · 550
Gourgeist (Jumbo Variety)
Ghost / Grass · 494
Gourgeist (Large Variety)
Ghost / Grass · 494
Gourgeist (Medium Variety)
Ghost / Grass · 494
Gourgeist (Small Variety)
Ghost / Grass · 494
Grimmsnarl
Dark / Fairy · 510
Houndoom
Dark / Fire · 500
Mega Houndoom
Dark / Fire · 600
Hydrapple
Grass / Dragon · 540
Hydreigon
Dark / Dragon · 600
Incineroar
Fire / Dark · 530
Infernape
Fire / Fighting · 534
Liepard
Dark · 446
Lucario
Fighting / Steel · 525
Mega Lucario
Fighting / Steel · 625
Malamar
Dark / Psychic · 482
Mega Malamar
Dark / Psychic · 582
Meowscarada
Grass / Dark · 530
Meowstic (Female)
Psychic · 466
Meowstic (Male)
Psychic · 466
Mega Meowstic (Male)
Psychic · 566
Mega Meowstic (Female)
Psychic · 566
Morpeko (Full Belly Mode)
Electric / Dark · 436
Morpeko (Hangry Mode)
Electric / Dark · 436
Mr. Rime
Ice / Psychic · 520
Ninetales
Fire · 505
Alolan Ninetales
Ice / Fairy · 505
Oranguru
Normal / Psychic · 490
Pikachu
Electric · 320
Polteageist (Antique Form)
Ghost · 508
Polteageist (Phony Form)
Ghost · 508
Raichu
Electric · 485
Alolan Raichu
Electric / Psychic · 485
Mega Raichu X
Electric · 585
Mega Raichu Y
Electric · 585
Rotom
Electric / Ghost · 440
Fan Rotom
Electric / Flying · 520
Frost Rotom
Electric / Ice · 520
Heat Rotom
Electric / Fire · 520
Mow Rotom
Electric / Grass · 520
Wash Rotom
Electric / Water · 520
Runerigus
Ground / Ghost · 483
Sableye
Dark / Ghost · 380
Mega Sableye
Dark / Ghost · 480
Salazzle
Poison / Fire · 480
Simipour
Water · 498
Simisage
Grass · 498
Simisear
Fire · 498
Sinistcha (Masterpiece Form)
Grass / Ghost · 508
Sinistcha (Unremarkable Form)
Grass / Ghost · 508
Slowbro
Water / Psychic · 490
Galarian Slowbro
Poison / Psychic · 490
Mega Slowbro
Water / Psychic · 590
Slowking
Water / Psychic · 490
Galarian Slowking
Poison / Psychic · 490
Sneasler
Fighting / Poison · 510
Spiritomb
Ghost / Dark · 485
Toxicroak
Poison / Fighting · 490
Watchog
Normal · 420
Weavile
Dark / Ice · 510
Zoroark
Dark · 510
Hisuian Zoroark
Normal / Ghost · 510
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