GLALIE has a body made of rock, which it hardens with an armor of ice. This POKéMON has the ability to freeze moisture in the atmosphere into any shape it desires.
GLALIE has the ability to freely control ice. For example, it can instantly freeze its foe solid. After immobilizing its foe in ice, this POKéMON enjoys eating it in leisurely fashion.
A GLALIE has the power to instantaneously freeze moisture in the atmosphere. A dazzling cloud of diamondlike ice crystals forms around its body.
It has a body of ice that won’t melt, even with fire. It can instantly freeze moisture in the atmosphere.
To protect itself, it clads its body in an armor of ice, made by freezing moisture in the air.
— Pokédex entries (via PokeAPI)