You see Stonecracker
Notes
New creature that appeared in Summer Update 2008. He is a random spawn with no announcement; however, 2 Behemoths will spawn past the level 30 door that is on the way to the Behemoth cave.
Abilities
Melee (0-?), Distance Fighting (0-?), Summons up to 2 Behemoths
Damage Taken From Elements
Physical 
Death 
Holy 
Ice 
Fire
Energy
Earth
Location
Stonecracker spawns near the stairs leading to the Behemoth Quest room, in the deepest floor of Cyclopolis.
Strategy
Treat him as a more powerful version of Behemoth, a blocker with decent skills is recommended, although it might be possible to kill it solo using popular Stairhopping technique.