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

Pokemon TCG: Palkia VSTAR Deck Guide

So idk if this has been brought up yet, but if you look on google it says that palkia is salamence type (mind you salamence is the dragon pokemon) on top of

Leek Duck - Simple Palkia Graphic for it's debut in Tier 5

Legendary Shiny Palkia Has Arrived in Pokemon GO!

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

Check the actual price of your Palkia-GX 119/131 Pokemon card

Palkia • XY Black Star Promos •

Palkia V & Vstar 040/189 Astral Radiance - Pokemon Ultra Rare Set - Holo Rare Card Lot : Toys & Games

Palkia Platinum 12/127 Values - MAVIN

Palkia [G] - 12/127 - Holo Rare - Reverse Holo - Pokemon Singles » Platinum - CoreTCG