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Huge monstrosity, neutral evil
50 ft., climb 40 ft.
darkvision 90 ft.,
passive Perception 10
11 (7200 XP)
The behir makes two attacks: one with its bite and one to constrict.
Bite.Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 22 (3d10 + 6) piercing damage.
Constrict.Melee Weapon Attack: +10 to hit, reach 5 ft., one Large or smaller creature. Hit: 17 (2d10 + 6) bludgeoning damage plus 17 (2d10 + 6) slashing damage. The target is grappled (escape DC 16) if the behir isn’t already constricting a creature, and the target is restrained until this grapple ends.
Lightning Breath (Recharge 5--6).
The behir exhales a line of lightning that is 20 feet long and 5 feet wide. Each creature in that line must make a DC 16 Dexterity saving throw, taking 66 (12d10) lightning damage on a failed save, or half as much damage on a successful one.
The behir makes one bite attack against a Medium or smaller target it is grappling. If the attack hits, the target is also swallowed, and the grapple ends. While swallowed, the target is blinded and restrained, it has total cover against attacks and other effects outside the behir, and it takes 21 (6d6) acid damage at the start of each of the behir’s turns. A behir can have only one creature swallowed at a time.
If the behir takes 30 damage or more on a single turn from the swallowed creature, the behir must succeed on a DC 14 Constitution saving throw at the end of that turn or regurgitate the creature, which falls prone in a space within 10 feet of the behir. If the behir dies, a swallowed creature is no longer restrained by it and can escape from the corpse by using 15 feet of movement, exiting prone.
Source: 5srd adaptation of Pathfinder Roleplaying Game Bestiary.
Temperamental and avaricious, the behir spends most of its time slithering through the sandy hills and desert cliffs that make up its territory, preying upon all creatures who dare to enter its hunting grounds. The creature’s six pairs of powerful, clawed legs remain folded against its sides most of the time, only extending in combat to grapple foes or carry the behir forward in a terrifying, low-slung gallop, or else when climbing the sheer cliff faces common to behir lairs.
The average behir is 40 feet long and weighs 4,000 pounds. In addition to the two prominent horns on its head, many have additional decorative spines at regular intervals along the central ridges of their backs.
While territorial and bestial in its fury, the behir is neither stupid nor necessarily evil, though its self-centeredness and tendency to lay claim to everything visible from its high lairs frequently bring it into conflict with other races. As such, a behir can often be bought off or reasoned with by those brave negotiators willing to get close enough to make their pitch. In these cases, a behir’s tendency to attack first and ask questions later (or not at all) means that anyone seeking to strike a deal must bring powerful incentives and impress the behir immediately with his offer.
Many behirs carry deep grudges against dragons, and attack without pause any who cross into their territories.