Full calc: https://rotomata.mygod.be/maxbulk/
- Normal: Zamazenta-C4x > Regirock
- Fighting: Lugia2 > Gengar
- Flying: Regirock
- Poison/Rock/Bug/Steel: Zamazenta-C
- Ground: Lugia2 > (Vespiquen) > Butterfree
- Ghost: Blissey
- Fire: (Coalossal)2 > Omastar
- Water: (Appletun)2 > Suicune
- Grass: Ho-Oh2 > (Archaludon) > Zamazenta-C4x > Corviknight
- Electric: Flygon
- Ice: Lapras > Zamazenta-C4x > Walrein2 > Regice
- Psychic: Malamar
- Dragon: Zacian-C
- Dark: Zamazenta-C4x > Urshifu-S > Zamazenta-C
- Fairy: (Registeel) > Ho-Oh2 > Zacian-C
More comprehensive spreadsheet is available here.
Each Max+ level Max Guard gives 80 HP. Zamazenta with 4 shield is indicated with 4x, with Behemoth Bash is indicated with BB.
- Normal/Flying: Regirock
- Fighting: Lugia2 > Gengar
- Poison: Zamazenta-C4x > (Registeel) > Zamazenta-C
- Ground: Lugia2 > (Vespiquen) > Butterfree
- Rock: Zamazenta-C
- Bug: Zamazenta-C4x > Zamazenta-CBB > Ho-Oh2 > Zamazenta-C
- Ghost: Blissey
- Steel: Zamazenta-C4x > (Registeel) > Zamazenta-CBB > Ho-Oh2 > Zamazenta-C
- Fire: (Coalossal)2 > Omastar
- Water: (Appletun)2 > Suicune
- Grass: Ho-Oh2 > (Archaludon) > Corviknight
- Electric: Flygon
- Ice: Lapras > Walrein2 > Regice
- Psychic: Malamar
- Dragon: Zacian-C
- Dark: Urshifu-S > Zamazenta-C4x > Zamazenta-CBB > Umbreon2 > Zamazenta-C
- Fairy: (Registeel) > Ho-Oh2 > Metagross
More comprehensive spreadsheet is available here.