The Chisel Pokémon!
Its head is tough, letting it withstand its fists pounding against it in order to drive itself into opponents whose bones are not safe from the attack that can destroy metal.
The Block Pokémon!
It is unknown whether the Pokemon is in the shell or is the shell. It is unlikely that an answer will be found as the shell is theorised to be able to withstand a nuclear explosion.
The Chiselled Pokémon!
It believes its its mighty strength was bestowed upon it to help weaker Pokémon in need. Myths speak of its power being able to rival the Gods.
by vital-ET