Glacietyranus: This large semi-aquatic reptile transverses around the tundra miles below the surface of the water, when it needs to come up for air It uses its sharp spine to breach through the ice. Its thick paddle-like tail is a multipurpose tool for it, helping it direct itself through strong current and to slap/disoriented its prey 

Habitat Cold Waters/Tundra
Danger Rank: Gold
Loot: Sharp Spine, Frozen Scale, Jawbone