>>47372638Give them new abilities based on their dex descriptors, similar to how they gave unique abilities to the new regis based on how powerful they're described to be.
>If parts of its body chip off in battle, Regirock repairs itself by adding new rocks. Rock Body: Whenever the user is hit by or uses a rock-type move, it restores 1/10th of its max HP.
>Its icy body is so cold, Regice will not melt even if it is immersed in magma. Nevermelt: This pokemon is immune to fire type moves and the burn status.
>Tempered by pressure underground over tens of thousands of years, Registeel's body cannot be scratched. Stainless: Moves that trigger secondary effects or debuffs on hit do not apply to this pokemon.