Armaldo did not appear during the Generation I - II games.
Ruby
Armaldo's tough armor makes all attacks bounce off. This Pokémon's two enormous claws can be freely extended or contracted. They have the power to punch right through a steel slab.
Sapphire
Armaldo is a Pokémon species that became extinct in prehistoric times. This Pokémon is said to have walked on its hind legs, which would have been more convenient for life on land.
Emerald
Armaldo usually lives on land. However, when it hunts for prey, it dives beneath the ocean. It swims around using its two large wings.
FireRed
Protected by a hard shell, its body is very sturdy. It skewers prey with its claws to feed.
LeafGreen
Protected by a hard shell, its body is very sturdy. It skewers prey with its claws to feed.
Diamond
It went ashore after evolving. Its entire body is clad in a sturdy armor.
Pearl
It went ashore after evolving. Its entire body is clad in a sturdy armor.
Platinum
It went ashore after evolving. Its entire body is clad in a sturdy armor.
HeartGold
Its enormous, retractable claws can cut through most anything. Its entire body is clad in sturdy plates.
SoulSilver
Its enormous, retractable claws can cut through most anything. Its entire body is clad in sturdy plates.
Black
It went ashore after evolving. Its entire body is clad in a sturdy armor.
White
It went ashore after evolving. Its entire body is clad in a sturdy armor.