You see Shard of Corruption
Notes
Big and Resistant creatures, stone skin protects them from almost every element.
Abilities
Melee (0-85), Poison wave (poisons starting up to 30), Throws Boulder (0-115 Earth Damage).
Damage Taken From Elements
Physical 
Death 
Holy 
Ice 
Fire
Energy
Earth
Location
Farmine Mine
Strategy
They don't take off high damage, a medium leveled knight should be able to block them easily. Paladins and Mages should stay at a distance and shoot, use Ice Strike along with their strongest ice wand/rod. Treat it like a strong cyclops.