Amphibious
The aboleth can breathe air and water.
Aboleth
Large Aberration · Lawful Evil
Armor Class17
Hit Points150 (20d10 + 40)
SpeedWalk 10 ft., Swim 40 ft.
Challenge10
STR21
DEX9
CON15
INT18
WIS15
CHA18
Traits
Eldritch Restoration
If destroyed, the aboleth gains a new body in days, reviving with all its Hit Points in the Far Realm or another location chosen by the DM.
Legendary Resistance (3/Day, or 4/Day in Lair)
If the aboleth fails a saving throw, it can choose to succeed instead.
Mucus Cloud
While underwater, the aboleth is surrounded by mucus. CON Save DC 14, each creature in a 5-foot Emanation [Area Of Effect] originating from the aboleth at the end of the aboleth's turn.
Failure: The target is cursed. Until the curse ends, the target's skin becomes slimy, the target can breathe air and water, and it can't regain Hit Points unless it is underwater.
While the cursed creature is outside a body of water, the creature takes 6 () 🧪 Acid damage at the end of every 10 minutes unless moisture is applied to its skin before those minutes have passed.
Failure: The target is cursed. Until the curse ends, the target's skin becomes slimy, the target can breathe air and water, and it can't regain Hit Points unless it is underwater.
While the cursed creature is outside a body of water, the creature takes 6 () 🧪 Acid damage at the end of every 10 minutes unless moisture is applied to its skin before those minutes have passed.
Probing Telepathy
If a creature the aboleth can see communicates telepathically with the aboleth, the aboleth learns the creature's greatest desires.
Actions
Multiattack
The aboleth makes two Tentacle attacks and uses either Consume Memories or Dominate Mind if available.
Tentacle
Melee Attack +9, reach 15 ft. 12 () 🔨 Bludgeoning damage. If the target is a Large or smaller creature, it has the condition (escape DC 14) from one of four tentacles.
Consume Memories
INT Save DC 16, one creature within 30 feet that is or by the aboleth.
Failure: 10 () 🧠 Psychic damage.
Success: Half damage.
Success or Failure: The aboleth gains the target's memories if the target is a Humanoid and is reduced to 0 Hit Points by this action.
Failure: 10 () 🧠 Psychic damage.
Success: Half damage.
Success or Failure: The aboleth gains the target's memories if the target is a Humanoid and is reduced to 0 Hit Points by this action.
Dominate Mind (2/Day)
WIS Save DC 16, one creature the aboleth can see within 30 feet.
Failure: The target has the condition until the aboleth dies or is on a different plane of existence from the target. While , the target acts as an ally to the aboleth and is under its control while within 60 feet of it. In addition, the aboleth and the target can communicate telepathically with each other over any distance.
The target repeats the save whenever it takes damage as well as after every 24 hours it spends at least 1 mile away from the aboleth, ending the effect on itself on a success.
Failure: The target has the condition until the aboleth dies or is on a different plane of existence from the target. While , the target acts as an ally to the aboleth and is under its control while within 60 feet of it. In addition, the aboleth and the target can communicate telepathically with each other over any distance.
The target repeats the save whenever it takes damage as well as after every 24 hours it spends at least 1 mile away from the aboleth, ending the effect on itself on a success.
Legendary Actions
Lash
The aboleth makes one Tentacle attack.
Psychic Drain
If the aboleth has at least one creature or , it uses Consume Memories and regains 5 () Hit Points.