Remorhazes hide under the snow and ice until they hear
movement above them, then attack from below and surprise prey.
Improved Grab (Ex): To use this ability, the remorhaz must hit
with its bite attack. If it gets a hold, it automatically deals
bite damage and can attempt to swallow the opponent.
Swallow Whole (Ex): A remorhaz can try to swallow a grabbed
opponent of Large or smaller size by making a successful grapple
check. Once inside, the opponent takes 2d8+12 points of crushing
damage plus 10d10 points of fire damage per round from the
creature's blazing gut. A swallowed creature can cut its way
out by using claws or a Small or Tiny slashing weapon to deal 25
points of damage to the remorhaz's gut (AC 20). Once the
creature exits, muscular action closes the hole; another
swallowed opponent must cut its own way out. The remorhaz's
interior can hold two Large, four Small, eight Tiny, sixteen
Diminutive, or thirty-two Fine or smaller opponents.
Heat (Ex): An enraged remorhaz generates heat so intense that
anything touching its body takes 10d10 points of fire damage.
This is usually enough to melt nonmagical weapons, but magic
weapons get a Fortitude save (DC 18).
Tremorsense (Ex): A remorhaz can automatically sense the
location of anything within 60 feet that is in contact with the
Skills: Remorhazes receive a +4 racial bonus to Listen checks.