Bladespire Iceking

The Bladespire Iceking is a massive basilisk that can be found in Daggermaw Ravine, slain by the Thunderlord clan's hunters, specifically a hunting party led by Grotan the Herald, one of the Iron Wolf's sons.

Quotes
The carcass looks fresh and largely un-carved, with the exception of six careful incisions on the belly.
 * Gossip

Behind each incision you find a large cavity where some critical organ may have once been housed.