Medium void demon, chaotic evil

Armor Class: 15

Hit Points: 300 [23d12+161]

Speed: 30 ft

STR

25 +7

DEX

25 +7

CON

11 +0

INT

6 -2

WIS

13 +1

CHA

14 +2

Senses: Darkvision 120 ft.

Languages: Abyssal

Challenge Rating: 17

Actions

Frightful Presence. Each creature of the void spawn's choice that is within 240 feet of the guardian and aware of it must succeed on a DC 20 Wisdom saving throw or become frightened for 2 turns. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the to the void guardian's Frightful Presence for the next 24 hours.