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This creature glides on undulating folds of leathery skin. Its spinning, circular mouth is lined with rows of razor-sharp teeth.

Whirlmaw CR 8

XP 4,800
N Medium aberration
Init +10; Senses darkvision 60 ft., keen sight, tremorsense 30 ft.; Perception +8


AC 20, touch 16, flat-footed 14 (+6 Dex, +4 natural)
hp 102 (12d8+48)
Fort +8, Ref +10, Will +8
Immune fire


Speed 10 ft., burrow 10 ft., fly 90 ft. (perfect)
Melee bite +16 (2d6+9 plus burrowing bite)
Special Attacks flying charge


Str 23, Dex 22, Con 18, Int 3, Wis 10, Cha 3
Base Atk +9; CMB +15; CMD 31 (can't be tripped)
Feats Flyby Attack, Hover, Improved Initiative, Power Attack, Weapon Focus (bite), Wingover
Skills Fly +18, Perception +8, Stealth +15
SQ dust cloud


Burrowing Bite (Ex)

If a whirlmaw successful hits a Small or larger creature with its bite attack, it immediately attempts to start a grapple as a free action with a +4 bonus on the grapple check. If the grapple check is successful, the whirlmaw's spinning, saw-like mouth immediately begins to burrow into the flesh of the creature, dealing 4d6+12 points of damage per round until the grapple is broken.

Dust Cloud (Ex)

By rapidly beating the leathery flaps of skin attached along its body, a whirlmaw can raise a cloud of debris while using its Hover feat just as if it were a Large creature.

Flying Charge (Ex)

When a whirlmaw makes a charge attack while flying, it gains a +4 bonus on its attack roll (rather than the normal +2 bonus), and does not take the normal –2 penalty to Armor Class.

Keen Sight (Ex)

A whirlmaw is extremely sharp-sighted. It takes only half the penalty on Perception checks for distance, and can see creatures in open terrain clearly from up to a mile away.