Water terastal cristal onix by EVcreation on DeviantArt

TERA CRYSTAL #2 GARCHOMP TERA WATER by HarlequinWaffles on DeviantArt

actual full map of my region by EVcreation on DeviantArt

Terastalized Onix : r/pokemon

G Evo - KRYSTALAK by Jougeroth on DeviantArt

Crystal Onix by Ez4Death on DeviantArt

Clear Quartz Twins OC by abragamabi on DeviantArt

Theory: the crystal Onix from the anime was a water typed Terastallized pokemon : r/pokemon

Crystal Onix by cumalee on DeviantArt

SoulSilverArt on X: TERASTAL MEANS CRYSTAL ONIX EXISTS NOW! #PokemonScarletViolet #PokemonPresents / X

the pufferfish pokemon by EVcreation on DeviantArt