Afrogination

Magic Resistance. The Afrogination has advantage on saving throws against spells and other magical effects.

Stench. Any creature that starts its turn within 10 feet of the Afrogination must succeed on a DC 14 Constitution saving throw or be poisoned until the start of its next turn. On a successful saving throw, the creature is immune to the Afrogination's stench for 24 hours.

Poisonous Skin. Any creature that comes in direct contact with the Afrogination's skin or poison has to make a DC 15 constitution saving throw or take 5 (1d10) damage and be exposed to Grung poison (see Volo's guide)

Shock Susceptibility. When the Afrogination takes lightning damage it suffers several effects, it's AC is lowered by -2, its movement speed is halved, it suffers 2 levels of exhaustion, it has disadvantage on saving throws, it cant use bonus actions or reactions, it cant use magic, it has disadvantage to hit, its magic resistance trait no longer works, anyone swallowed is dislodged within 10 ft of the Afrogination, and it's poison is ineffective and no longer works.

Amphibious. The Afrogination can breathe both air and water

Cursed Hands. The Afrogination can't use any weapons except the weapons it's proficient in.

Control Gem (optional). The Afrogination has a slaad control gem embedded within the palm of it's hand (see the Monster Manual)

Multiattack. The Afrogination makes three attacks: one with its bite and two with its claws.

Multiattack 2. The Afrogination makes three attacks: one either of its fire attacks, one with it's tongue, and one with it's weapon

Bite. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 15 (2d10 + 4) piercing damage.

Claw. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage.

Tongue. The Afrogination shoots out it's tongue at a target large sized or smaller, the target must make a DC 16 Dexterity saving throw or be grappled, after the target has been grappled they can be swallowed, only 1 large creature, two medium creatures, 3 small creatures, or 5 tiny creatures can be swallowed at a time. A swallowed creature is protected from all damage except piercing damage (DC 12 Dexterity saving throw). Swallowed creatures must make a DC 16 Constitution saving throw every turn or suffer 5(1d6+2) acid/fire damage, they also can make a DC 21 Dexterity/Strength saving throw to escape and be ejected within 20 ft within the Afrogination.

Greatsword. Melee Weapon Attack: +4 tot hit, reach 5 ft., one target. Hit: 10 (1d10+5) slashing damage plus 6 (1d8+3) necrotic damage.

Greatspear. Melee Weapon Attack: +6 tot hit, reach 15 ft., one target. Hit: 10 (1d6+5) slashing damage plus 6 (2d6) necrotic damage.

Staff. Melee Weapon Attack: +4 tot hit, reach 5 ft., one target. Hit: 11 (2d6+4) slashing damage plus 6 (1d6+3) necrotic damage.

Hurl Fire. Ranged Weapon Attack: +4 tot hit, reach 20 ft., one target. Hit: 10 (1d12+4) fire damage

Explosive Death. When killed the Afrogination explodes into a glorious blaze, any creature within 25 ft of the Afrogination must make a DC 16 dexterity saving throw or be burned and take 12 (2d12) fire damage

Poisonous Death. When killed the Afrogination explodes and shoots out grung poison everywhere, any creature within 50 ft of the slaad must make a DC 16 Dexterity saving throw or be exposed to Grung poison and take 10 (3d6) acid damage

The Afrogination can take 1-3 of the following legendary actions each round of combat:

Change Weapon. As a bonus action the Afrogination can change the weapon it's holding into either a Greatsword, a Greatspear, or a Staff so it can use the actions with the weapon

Poison Covering. The Afrogination coats it's weapon in Grung poison and the next creature hit has to make a DC 15 constitution saving throw or get the effects of the Afrogination's Grung Poison

Camoflage. The Afrogination blends in with it's surroundings, any creature that could've seen it has to make a DC 15 perception check or no longer be able to see the Afrogination, the creature can retry the perception check and the beginning of it's turn.

Shadow Step. The Afrogination teleports to an unoccupied space thats dimly lit within 30 ft of it that it can see