Small aberration, neutral evil

Armor Class 13
Hit Points 31 (7d6 + 7)
Speed 30 ft.

12 (+1) 17 (+3) 13 (+1) 6 (-2) 12 (+1) 13 (+1)

Skills Stealth +5
Damage Vulnerabilities radiant
Damage Resistances cold
Senses darkvision 60 ft., passive Perception 11
Languages understands Void Speech but can’t speak it
Challenge 1 (200 XP)


  • Shadow Traveler (2/Day). As a bonus action while in shadows, dim light, or darkness, the sema disappears into the darkness and reappears in an unoccupied space it can see within 30 feet. A faint gnashing of teeth sounds at the origin and destination when it uses this trait.
  • Sunlight Sensitivity. While in sunlight, the sema has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.


  • Multiattack. The sema makes two claw attacks.
  • Claw. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 5 (1d4 + 3) slashing damage.
  • Chaotic Energy Blast. Ranged Spell Attack: +3 to hit, range 60 ft., one target. Hit: 5 (2d4) force damage, and the target must succeed on a DC 13 Constitution saving throw or be stunned until the end of its next turn.


  • Reflexive Energy Blast. When the sema is hit with a ranged attack from an attacker it can see within 60 feet of it, the sema makes one chaotic energy blast attack at the attacker.


This diminutive, bipedal creature has large, black eyes, rubbery gray skin, a protruding belly, and vicious claws. It appears to lack ears and a nose.

Allies of the Ghasts of Leng. Semas are small creatures from the Plateau of Leng, and they are commonly found in the company of ghasts of Leng (see page 164) and kaveph (see page 225), acting as pets toward the larger creatures. Semas are loyal to the ghasts, going so far as to defend their threatened masters. Likewise, the ghasts are always sure to throw the semas a few scraps of meat during the ghasts’ notorious feeding frenzies.

At Home in the Dark. Semas have extremely sensitive eyes and prefer to live in dark places. They find excessive amounts of light distasteful, and in open sunlight they are known to keen, howl, and clutch at their hairless heads as if the very presence of the light causes them pain. They immediately calm down once they make their way into darkness.

Gleeful Bloodlust. Semas are much like wild predators, seeming to take great joy in jumping out of the darkness and spilling blood. They are inherently cruel, and their own physical pain seems to mean little to them. They participate in the feeding frenzies of the ghasts of Leng even when they are more than capable of finding their own prey.

Section 15: Copyright Notice

Tome of Beasts 2. © 2020 Open Design LLC; Authors Wolfgang Baur, Celeste Conowitch, Darrin Drader, James Introcaso, Philip Larwood, Jeff Lee, Kelly Pawlik, Brian Suskind, Mike Welham.

This is not the complete section 15 entry - see the full license for this page