Monsters / Ankheg

Ankheg

CR 3 - 800 XP - N Large Magical Beast

Stat block

AC16 (touch 9, flat-footed 16)HP28 (3d10+12)SavesFort +6, Ref +3, Will +2Meleebite +5 (2d6+4 plus 1d4 acid and grab)Speed30 ft., burrow 20 ft.AbilitiesStr 16, Dex 10, Con 17, Int 1, Wis 13, Cha 6BAB / CMB / CMD+3 / +7 / 17Sensesdarkvision 60 ft., low-light vision, tremorsense 60 ft.; Perception +8Environmenttemperate or warm plains

Combat brain - every behavior cites its line (4 rules)

Built only from this entry: stat-block special attacks, the printed Int score, the creature type, its feats and senses, and the behavioral prose of its own description. Nothing invented - an uncited behavior is a test failure.

territorial (from lore)
Clusters of ankhegs often share the same territory and create intricate winding networks of tunnels under farmlands, sometimes resulting in sinkholes where too many bu...
flee-when-hurt (from lore)
Against multiple foes, an ankheg often grabs one of the available targets and then attempts to retreat to safety, burrowing into the ground.
bruiser (from abilities)
abilities: Str 16 over Dex 10 - plant and full-attack, soak the hits
night-hunter (from senses)
senses: darkvision 60 ft., low-light vision, tremorsense 60 ft.; Perception +8 - hunts where prey is blind

On-hit riders and breath

spit acid

From the entry

Once every 6 hours, an ankheg can spit a 30-foot line of acid. Creatures struck by this acid take 4d4 points of acid damage (Reflex DC 14 halves). Once an ankheg uses this attack, it must wait 6 hours before using it again. Additionally, during this time period, its bite attack does not inflict any additional acid damage. As a result, an ankheg does not use this ability unless it is desperate or frustrated, most often spitting acid when reduced to fewer than half its full normal hit points or when it cannot not successfully grab an opponent. The save DC is Constitution-based. Ankhegs are an all-too-common plague upon the rural areas of the world. These horse-sized burrowing monsters generally avoid heavily settled areas like cities, but their predilection for livestock and humanoid flesh ensures that they do not keep to the deep wilderness either. Their preferred habitat is rural farm...