Turns out the weakness of celestial gods are small pink things : r/PokemonSwordAndShield

Pokémon Go Palkia best counters and movesets raid guide - Polygon

Origin Forme Palkia V - 039/189 - Ultra Rare - Pokemon Singles » Generation 8 - SS » SWSH10: Astral Radiance - The Side Deck - Gaming Cafe

Palkia raid counters infographic Pokemon go, Articuno pokemon, Pokemon

I can't find palkia weak to salamence anymore but I found this : r/jaidenanimations

Pokemon TCG: Origin Forme Palkia VSTAR Premium Collection

Pokemon Sword and Shield Palkia

Arceus & Dialga & Palkia-GX (Cosmic Eclipse 221/236) – TCG Collector

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Palkia Platinum 12/127 Values - MAVIN

Arceus & Dialga & Palkia GX (Full Art) (220/236) [Sun & Moon: Cosmic E – Pokemon Plug