The official GemStone IV encyclopedia.
The ice golem is a mammoth construct of freezing cold ice and snow. Towering over twenty feet in height, this ice golem surely weighs several tons. The ice golem's rime-covered face displays its sharp, angular features, over which whisps from its frosty brow droop.
Immune to cold damage.
When attacking an Ice Golem, you must use a fire flaring weapon.
Looting an Ice Golem will result in a wound to the hand and a chance for a gem worth ~500-700 silvers
The Quake is the stomp version, a single attempt to knock you over.