Four long tentacles writhe from this three-eyed fish-like creature’s flanks, and its green body glistens with thick, clear slime.
Environment: Any (Waters)
Organization: 1-19
Proficiency Score: +8
Huge; Individual/Repute; aberration, aquatic
Armor Class: 21 (+1 Dex, +4 Natural, –2 Size, +8 Proficiency)
Hit Points: 128 (16d8+48)
Speed: 10 feet, Swim 40 feet
Initiative: +1 (advantage)
| STR | DEX | CON | INT | WIS | CHA |
| 16 (+3) | 12 (+1) | 22 (+6) | 15 (+2) | 17 (+3) | 17 (+3) |
Saves:
- Reflex +9
- Fortitude +6
- Will + 11
+1d6 against effects with the magical or supernatural tags
Skills:
- Arcana +10
- Athletics +11
- Deception +11
- Intimidation +11
- Perception +11
Senses: Passive Perception 21, darkvision 60 feet
Languages: Aboleth, Aklo, Aquan, Undercommon
Aura (Mucus Cloud, 5-foot aura). Within the 5-foot aura foot aura, all creatures must succeed a DC 21 Fortitude Save each round or replace the ability to breath in air with breathing in water for 3 hours. Renewed contact with this aura requires subsequent saves. Each failed save extends the duration.
Hold Breath. An Aboleth never risks drowning.
Slime (Tentacle). An Aboleth exudes a slime. Any creature that Strikes an Aboleth or is struck by an Aboleth’s Tentacle Strike must succeed a DC 21 Fortitude Save. On a failed save, the target’s flesh begins to transform into a clear, slimy membrane. After 1d4 rounds, the target’s new “flesh” is soft and tender, reducing their Constitutuion Score by 4. If the target’s “flesh” is not kept moist, it dries and inflicts 1d12 damage every 10 minutes. Remove Disease and similar effects can restore the target’s flesh.
Spells (Spell Attack: +11; Spell DC 31)
At Will:
3 per 24 Hours:
Actions
Tentacle. Melee Strike +11/+6/+1 (reach 15 feet, unarmed) with 9d8+3 bludgeoning damage plus Slime.