Walrein the Ice Break Pokemon introduced in Gen III Hoenn, Walrein is a Dual Ice and Water type that gives 3 EV's in HP it is a 3rd stage pokemon it's pre-evolution are spheal 1st and Sealo 2nd. Walrein is a HP tank meaning his highest stat is HP being 424 and second being Special Attack and Walrein along with Dewgong are the only pokemon having triple resistance due there thick fat ability that suppresses ice and fire attacks. It has a four, rock, fighting, grass, electric. Walrein can learn two 1 hit KO moves Fissure and Sheer Cold and can learn powerful physical ice moves like Ice Fang and Ice Ball as well as Aqua Tail
For more information visit these sites
bulbapedia
serebii