As it grows, the stone portions of its body harden to become similar to a diamond, though colored black.
Type
Attributes
Expansion
Number
Rarity
Release
Regulation
Formats
Energy Types
Species
HP
Retreat
Weakness
Resistance
Stage
Evolves From
Artist
During your opponent's next turn, whenever 30 or less damage is done to Onix (after applying Weakness and Resistance), prevent that damage. (Any other effects of attacks still happen.)