Malebolgite, Jaculi

Family: Malebolgite

Large fiend (malebolgite), neutral evil

Armor Class 14 (natural armor)
Hit Points 22 (4d10)
Speed 30 ft.

12 (+1) 17 (+3) 11 (+0) 2 (-4) 12 (+1) 2 (-4)

Skills Stealth +7, Perception +5
Damage Resistances fire
Senses darkvision 60 ft., passive Perception 15
Proficiency Bonus +2
Challenge 2 (450 XP)


  • Assassinate. During its first turn, the jaculi has advantage on attack rolls against any creature that hasn’t taken a turn. Any hit the jaculi scores against a surprised creature is a critical hit.
  • Chameleon. The jaculi can has advantage on Dexterity (Stealth) checks made to hide.
  • Leap. The jaculi can make a long jump up to 40 feet and attack with its Bite attack as part of the same action.
  • Sneak Attack. The jaculi deals an extra 14 (4d6) damage when he hits a target with a weapon attack and has advantage on the attack roll, or when the target is within 5 feet of an ally of the jaculi’s that isn’t incapacitated and the jaculi doesn’t have disadvantage on the attack roll.


  • Bite. Melee Weapon Attack: +5 to hit, reach 10 ft., one target. Hit: 7 (1d8 + 3) piercing damage plus 3 (1d6) fire damage.
  • Constrict. Melee Weapon Attack: +5 to hit, reach 10 ft., one creature. Hit: 6 (1d6 + 3) bludgeoning damage, and the target is grappled (escape DC 13). Until the grapple ends, the target is restrained, and the jaculi can’t constrict another target.


This serpent has a squat head, flat and encircled with a mane-like ridge of sharp bones. Its natural coloration is a deep green, fading to dark brown near the tail. Its underbelly is light gray.

The jaculi is a 10-foot long serpent that lurks in the bolge of thieves. Jaculi lie in wait for their prey and then leap to the attack.

Section 15: Copyright Notice

5E Foes: Infernal Bestiary. Copyright 2019, Mal and Tal Enterprises, LLC; Author Michael J. Tresca

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