Chimeral Beast Amalgam

General Traits:

Master of Webbing. While in contact with a web, the Chimeral Beast Amalgam knows the exact location of any other creature in contact with the same web, and ignores movement restrictions caused by webbing.

Scion of the Sky and Sea. The Chimeral Beast Amalgam doesn’t require air, can breathe air and water, and can hold its breath for 90 minutes.

Natural Gravity. If it has at least 1 hit point, the Chimeral Beast Amalgam generates a limited form of gravity and can generate an air envelope around itself when in a vacuum. This air envelope can sustain the Beast and three other creatures in its space indefinitely.

Divine Form. The Chimeral Beast Amalgam is the philosophical ideal of its kind. It is immune to any spell or effect that would alter its form, glows with the soft light of the night sky, shedding dim light in a 15-foot radius, and can move through a space as narrow as 1 inch without spending extra movement to do so.

Divine Natural Camouflage. While the Chimeral Beast Amalgam remains motionless, it resembles a natural formation or a pile of detritus. A creature within 30 feet of it can discern its true nature with a successful DC 15 Intelligence (Nature) check

Natural Enhancements. When one of the Chimeral Beast Amalgam’s heads is asleep, its other head is awake, it is considered to be one size larger for the purpose of determining its carrying capacity, and it can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Standing Leap. The Chimeral Beast Amalgam's long jump is up to 25 feet and its high jump is up to 10 feet, with or without a running start.

Drone. When it beats its wings, the Chimeral Beast Amalgam emits a loud droning sound that can be heard out to a range of 120 feet.

Tunneler. When the Chimeral Beast Amalgam burrows, it leaves tunnels behind.

Magical Properties. A creature that uses an action to touch the living beast gains 6 temporary hit points that last for 24 hours. Any creature or object that touches the living beast also gains the benefit of a remove curse spell. The beast loses these magical properties if it dies.

Conditions:

Beastly Shard. The Chimeral Beast Amalgam on saving throws against being blinded, deafened and knocked unconscious, and is immune to being charmed, frightened, and paralyzed.

Perfect Camouflage. The Chimeral Beast Amalgam always has advantage on Dexterity (Stealth) checks.

Keen Senses. The Chimeral Beast Amalgam has advantage on all Wisdom (Perception)

Sure-Footed. The Chimeral Beast Amalgam has advantage on Strength and Dexterity saving throws made against effects that would knock it prone.

Combat:

Cold Aura. Any creature that starts its turn within 5 feet of the Chimeral Beast Amalgam takes 4 (2d4) cold  damage

Mimicry. The Chimeral Beast Amalgam can mimic simple sounds it has heard, such as a whisper or chitter. A hearer can discern the sounds are imitations with a successful DC 10 Wisdom (Insight) check.

Agile Escape. The Chimeral Beast Amalgam doesn’t provoke Opportunity Attacks when it moves out of an enemy’s reach, and can take the Dash, Disengage, or Hide action as a bonus action on each of its turns.

Stench. Any creature other than the Chimeral Beast Amalgam that starts its turn within 5 feet of the beast must succeed on a DC 12 Constitution saving throw or be poisoned until the start of the creature's next turn. On a successful saving throw, the creature is immune to the Stench of the Chimeral Beast Amalgam for 1 hour.

Upper Hand. The Chimeral Beast Amalgam has Advantage on melee attack rolls while it is Bloodied, if at least one of the Beast's allies is within 5 feet of the target and the ally doesn't have the incapacitated condition, or on melee attack rolls against any creature that doesn't have all its hit points

Magic Weapons. The Chimeral Beast Amalgam's weapon attacks are magical.

Shifting Form. The Chimeral Beast Amalgam can move through other creatures and objects as if they were difficult terrain. It takes 5 (1d10) force damage if it ends its turn inside an object.

Relentless. (Recharges after a Short or Long Rest). If the Chimeral Beast Amalgam takes 10 damage or less that would reduce it to 0 hit points, it is reduced to 1 hit point instead.

Rampage. When the Chimeral Beast Amalgam reduces a creature to 0 hit points with a melee attack on its turn, the hyena can take a bonus action to move up to half its speed and make a bite attack.

Magic Resistance. Chimeral Beast Amalgam has advantage on saving throws against spells and other magical effects.

Trampling Charge. If the Chimeral Beast Amalgam moves at least 20 feet straight toward a creature and then hits it with a Bite attack on the same turn, that target must succeed on a DC 18 Strength saving throw or be knocked prone. If the target is prone, the Chimeral Beast Amalgam can make one Tail attack against it as a bonus action.

Spellcasting. The Chimeral Beast Amalgam is a 18th-level spellcaster. Its spellcasting ability is [intelligence] (spell save DC 19, +11 to hit with spell attacks). The Chimeral Beast Amalgam can cast disguise self and invisibility at will and has following [Wizard] spells prepared:
Cantrips (at will):  fire bolt, light, mage hand, prestidigitation, shocking grasp, command, comprehend languages, detect thoughts, dancing lights
1st level (4 slots):  detect magic, identify, mage armor, magic missile

2nd level (3 slots): detect thoughts, mirror image, misty step

3rd level (3 slots): counterspell, fly, lightning bolt

4th level (3 slots): banishment, fire shield, stoneskin*, confusion

5th level (3 slots): cone of cold, scrying, wall of force

6th level (1 slot): globe of invulnerability

7th level (1 slot): plane shift

8th level (2 slot): mind blank*, dominate monster

9th level (1 slot): time stop

*The Chimeral Beast Amalgam casts these spells on itself before combat.

Multiattack. The Chimeral Beast Amalgam makes two attacks: one with its bite and one with its Stomp. It can't make both attacks against the same target. It can also substitute one or both of its attacks with a Rock attack, a Prowl, Shell Defense, or a Roar.

Prowl. The Chimeral Beast Amalgam moves up to half its Speed without provoking Opportunity Attacks. At the end of this movement, the Beast can take the Hide action.

Bite. Melee Weapon Attack: +14 to hit, reach 20 ft., one target. Hit: 34 (4d12 + 8) piercing damage. Plus 22 (5d8) psychic damage If the target is a Medium or smaller creature, it is grappled (escape DC 17) and the target must succeed on a DC 12 Constitution saving throw or be stunned until the end of its next turn and take an additional 3d6 poison damage. On a failed save, the target begins to hallucinate and is afflicted with a short-term madness effect (determined randomly or by the DM; see "Madness" in chapter 8 of the Dungeon Master's Guide). The effect lasts 10 minutes. Until this grapple ends, the target is restrained, The Chimeral Beast Amalgam can only have one creature in each mouth.

The target can't regain hit points except by magical means, and the target's hit point maximum decreases by 3 (1d6) every 24 hours. If the target's hit point maximum drops to 0 as a result of this disease, the target dies. Also each time the diseased creature finishes a long rest, roll a d6 to determine the disease's effect:

• 1-2. The creature is blinded until it finishes a long rest.

• 3-4. The creature's hit point maximum decreases by 5 (2d4), and the reduction can't be removed until the disease ends. The creature dies if its hit point maximum drops to 0.

• 5-6. The creature has disadvantage on ability checks and attack rolls until it finishes its next long rest.The disease lasts until it's removed by magic or until the creature rolls the same random effect for the disease two long rests in a row.

Stomp. Melee Weapon Attack: +14 to hit, reach 20 ft., one prone creature. Hit: 30 (4d10 + 8) bludgeoning damage.

Shell Defense. The snail withdraws into its shell, gaining a +4 bonus to its AC until it emerges. It can emerge from its shell as a bonus action on its turn.

Rock. Ranged Weapon Attack: +14 to hit, range 50/100 ft., one target. Hit: 30 (7d6 + 6) bludgeoning damage

A creature damaged by the Beast must succeed on a DC 12 Constitution saving throw or contract a disease.

 Roar. Wisdom Saving Throw: DC 21, one creature within 15 feet. Failure: The target has the Frightened condition until the start of the Chimeral Beast Amalgam next turn.

Trample. Dexterity Saving Throw: DC 16, one creature within 5 feet that has the Prone condition. Failure: 17 (2d10 + 6) Bludgeoning damage. Success: Half damage.

Bubble Dash. While underwater, the Chimeral Beast Amalgam moves up to half its Swim Speed without provoking Opportunity Attacks.

Leap. The Chimeral Beast Amalgam jumps up to 30 feet by spending 10 feet of movement.

Rampage (1/Day). Immediately after dealing damage to a creature that was already Bloodied, the Chimeral Beast Amalgam can move up to half its Speed, and it makes one Bite attack.

Slow but Sturdy. When the Chimeral Beast Amalgam is subjected to an effect that would move it out of its current space or knock it prone, it is neither moved nor knocked prone.

Uncanny Dodge. The Chimeral Beast Amalgam halves the damage it takes from an attack made against it, provided it can see the attacker.

Ink Cloud (1/Day). Trigger: The Chimeral Beast Amalgam takes damage while underwater. Response: The Chimeral Beast Amalgam releases ink that fills a 15-foot Cube centered on itself, and the squid moves up to its Swim Speed. The Cube is Heavily Obscured for 1 minute or until a strong current or similar effect disperses the ink.

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