Proselyte of Mahkloompah
STR
DEX
CON
INT
WIS
CHA
16
14
13
11
10
8
STR
DEX
CON
INT
WIS
CHA
+3
+2
+1
0
0
-1
Can see in the dark up to 12 m / 40 ft.
Successful DEX saves nullify damage; failed DEX saves reduce it by half.
Chance to apply Bleeding to targets.
Automatically attack an enemy moving out of your reach.
Has disadvantage on attack rolls and Perception checks while in sunlight.
STR
DEX
CON
INT
WIS
CHA
16
14
13
11
10
8
STR
DEX
CON
INT
WIS
CHA
+3
+2
+1
0
0
-1
Can see in the dark up to 12 m / 40 ft.
Successful DEX saves nullify damage; failed DEX saves reduce it by half.
Chance to apply Bleeding to targets.
Automatically attack an enemy moving out of your reach.
Has disadvantage on attack rolls and Perception checks while in sunlight.
STR
DEX
CON
INT
WIS
CHA
16
14
13
11
10
8
STR
DEX
CON
INT
WIS
CHA
+3
+2
+1
0
0
-1
Can see in the dark up to 12 m / 40 ft.
Successful DEX saves nullify damage; failed DEX saves reduce it by half.
Chance to apply Bleeding to targets.
Automatically attack an enemy moving out of your reach.
Has disadvantage on attack rolls and Perception checks while in sunlight.
Proselyte of Mahkloompah are a special
Kuo-toa that can be summoned from
Kuo-Toa Acolytes during the game's final sequence.
In order to summon him, the party must kill BOOOAL , which reveals him as a fake and frightens the Kuo-Toa into declaring the current party member "Mahkloompah", their new god.
during the game's final sequence.
Melee: 1.5 m / 5 ft 
Kuo-toa on the Forgotten Realms Wiki