Large Ooze, Chaotic Evil
Armor Class 14 Natural
Hit Points 85 (5d10 + 30)
Speed 40 ft., Swim 40 ft., Climb 40 ft.
STR
18 (+4)
DEX
20 (+5)
CON
18 (+4)
INT
15 (+2)
WIS
16 (+3)
CHA
8 (-1)
Saving Throws STR +8, DEX +9, CON +8
Damage Vulnerabilities Fire, Radiant
Damage Resistances Necrotic
Damage Immunities Acid, Poison
Condition Immunities Blinded, Poisoned, Restrained
Senses Blindsight, Passive Perception 10
Languages Understands Great Old Speech, Common, Draconic, Elven, Dwarfish, Gnome, Abyssal, Infernal but can't speak
Challenge 10 (5,900 XP)
Proficiency Bonus +4
Traits

Amorphous. The Char'Kallu can squeeze through openings over 5 inches wide. It can also take an action to increase or decrease its size by 1 level.

Spider Climb. The Char'Kallu can move up, down and across vertical surfaces while keeping its appendages free.

Limited Form. Due to its genetic differences between it and its perfected form the Imposter, it cannot communicate intelligibly or shapeshift without a host it killed. 

Life Detection. The Char'Kallu can detect any living organisms within 100 feet of it, and will actively kill it. This does not apply to undead, celestials, and fiends. 

Actions

Takeover. If the Char'Kallu reduces a creature to 0 hit points, it absorbs the creatures body into its own. It then takes the shape and size of the creature. It gains 20 hit points, and the Strength, Dexterity and Wisdom stats. To attack, it must roll a corresponding die to amount of actions the creature had, and perform a random one. Legendary actions do not count, and it can't take over the body of creatures with more than 17 CR. This effect ends if it loses more than half of its HP,  and It can't use Takeover for the next 24 hours.

Tongue. Melee Weapon Attack: +7 to hit, reach 25 ft., 1 target. Hit: 32 (2d10 + 7) piercing damage. Special: The attack roll does not lose advantage even if it is within 5 feet of the target.

Acid Spray. Ranged Weapon Attack: +7 to hit, range 10/30 ft., 3 targets. Hit: 50 (4d10 + 7)  damage.

Blight. The Char'Kallu choose up to 2 targets within 20 feet of it. The targets must make a DC 18 Constitution save or be infected with Filth Fever, Flesh Rot, Mindfire or Slimy Doom. Roll 1d4 to determine. Filth Fever: A raging fever sweeps through the creature's body. The creature has disadvantage on Strength Checks, Strength Saving Throws, and Attack rolls that use Strength. Flesh Rot: The creature's flesh decays. The creature has disadvantage on Charisma Checks and vulnerability to all damage. Mindfire: The creature's mind becomes feverish. The creature has disadvantage on Intelligence Checks and Intelligence Saving Throws, and the creature behaves as if under the Effects of the Confusion spell during Combat. Simy Doom: The creature begins to bleed uncontrollably. The creature has disadvantage on Constitution Checks and Constitution Saving Throws. In addition, whenever the creature takes damage, it is Stunned until the end of its next turn.

Alien Instability. After the Char'Kallu is reduced to 0 hit points, roll 1d4 to determine what happens next: 1- The Char'Kallu explodes violently causing any creatures within 15 feet of it who fail a DC 15 Dexterity saving throw to take 29 (2d10 + 7) bludgeoning and acid damage. 2- Its body dries up into a grey mass and cracks open, revealing a Small version of the Char'Kallu, becoming loyal to the nearest creature and following its commands. It matures back into a full grown version in 24 hours, but then becomes hostile to all creatures. 3- Causing a bend in space time, its body transmutes into a creature, magic item, or spell scroll of CR 1/4, Common, or Cantrip respectively. 4- 1d4 embarrassing or inappropriate moments of its killers life is projected into the minds of the creatures around it.  

Legendary Actions

Enter the description for how legendary actions work for your monster here.

Legendary Action Name (Costs # Actions). Enter the description for your legendary action.

Mythic Actions

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Mythic Action Name (Costs # Actions). Enter the description for your mythic action.

Description

Alien Origins. The Char'Kallu originally came into the multiverse from an asteroid that came through a failed portal experiment. Where it exactly came from is yet to be determined, but experts know it is dangerous, intelligent and unpredictable. In experiments it has been shown to be violent, and trying to murder everything living around. It has been observed ripping up plants, killing rodents and small animals, and other biotic things. It has also been observed to try and move through vents, air ducts and anything small to get to researchers and kill them.

Volatile Nature. Due to its unknown nature, this creature does not follow many laws of physics, scientific and magical. Once it is slaughtered, its effects are quite spontaneous, which can range from exploding, conjuring up livestock, goblins, and magic weapons, or creating a reborn version of itself. In tests, the reborn is very friendly to the closest creature, and becomes its pet, obeying simple commands. It very quickly grows and matures, but after 24 hours when it's fully reborn it will revert to its predatory nature, murdering living things.

A Close Cousin. The creatures DNA was taken and played around with. It was eventually combined with human DNA, resulting in an astonishing discovery. Its shapeshifting ability was augmented, capable of doing it at will, requiring no hosts. This was quickly exploited into military use. The genetic modifications made it compliant and less aggressive, bloodthirsty and violent. It could be trained to shapeshift pieces of its body to perfectly replicate objects both structurally and atomically, unlike the Char'Kallu who could only replicate appearance. This beast is named the Impostor, who is trained to infiltrate enemy areas, and shifting into personnel, capable of creating weapons for itself and picking off enemies, stealing data and sabotaging important machinery. It could also speak all languages, capable of communicating.

Lair and Lair Actions

 

 

Habitat: CoastalForestSwampUnderdarkUnderwaterUrban

TheArgonianBard

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