Blistering Decodragonda

Legendary Resistance (3/Day). If the Decodragonda fails a saving throw, it can choose to succeed instead.

Crocodile Blood (3/Day). If the Decodragonda would die it instead consumes a use of crocodile blood and regains 10d10

Heated Scales. While the Decodragonda has a target grappled they take 2d10 fire damage at the start of their turn. Additionally any creature within 5 feet of it takes 1d10 fire damage.

Chameleon Scales. The Decodragonda has advantage on stealth(dexterity) checks made to hide.

Amphibious. The Decodragonda can breath both air and water

Agile Climber. The Decodragonda can climb difficult surfaces without making checks and even hang upside down.

Long Body. The Decodragondas long body allows it to grapple foes larger than it with little difficulty. It suffers no penalties with grappling foes up to large and can wrap itself around foes of gargantuan size, possibly disabling attacks. It may also pin creatures as the grappler feat.

Multiattack. The Decodragonda makes 4 attacks: one with its pounce or bite and three with its claws. These attacks have advantage if made against a grappled creature.

Pounce. Melee Weapon Attack: +14 to hit, reach 10 ft., one target. Hit: 19 (2d10 + 8) piercing damage plus 7 (2d6) fire damage. On a hit the creature is grappled, the Decodragonda may only have one creature grappled in this way. DC 22 to escape.

Bite. Melee Weapon Attack: +14 to hit, reach 10 ft., one target. Hit: 19 (2d10 + 8) piercing damage plus 7 (2d6) fire damage.

Claw. Melee Weapon Attack: +14 to hit, reach 5 ft., one target. Hit: 15 (2d6 + 8) slashing damage.

The Decodragonda can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. The Decodragonda regains spent legendary actions at the start of its turn.

Claw. The Decodragonda makes a claw attack.

Overheat(2 actions). The Decodragonda glows white hot. Each creature within 10 feet of the Decodragonda must succeed on a DC 22 Dexterity saving throw or take 15 (2d6 + 8) fire damage and be knocked prone. The Decodragonda can then move up to it's speed without provoking attacks of opportunity.