Regice is an ice-type legendary Pokemon, it is one of the original three "Regis" along side Regirock and Registeel. As a legendary Pokemon it is genderless and there is only one available in the game. It can be obtained in Pokemon Ruby/Sapphire and Pokemon Emerald.
Pokedex EntriesPokemon Ruby
Regice's body was made during an ice age. The deep-frozen body can't be melted, even by fire. This Pokémon controls frigid air of minus 328 degrees F.Pokemon Sapphire
Regice cloaks itself with frigid air of negative 328 degrees F. Things will freeze solid just by going near this Pokémon. Its icy body is so cold, it will not melt even if it is immersed in magma.Pokemon Emerald
Its entire body is made of Antarctic ice. After extensive studies, researchers believe the ice was formed during an ice age. Pokemon Fire Red/Leaf Green
Research revealed that its body is made of the same kind of ice that is found at the South Pole.