Cotton Candy Spider

Caramelization. When the creature comes in contact with fire it AC gets +2

Double Stuff.  If Cotton Candy Spideris reduced to zero HP by a slashing attack, it transforms into two Cotton Candy Spiders each with all stats halved (rounding down) and each a size category smaller than the original.

Liquid Hypersensitivity. Cotton Candy Spider takes 20 radiant damage when it starts its turn in liquid.  While in liquid, it has disadvantage on Attack Rolls and Ability Checks.

Spider Climb. The spider can walk on difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Web Sense. While in contact with a web, the spider knows the exact location of any other creature in contact with the same web.

Web Walker. The spider ignores movement restrictions caused by webbing.

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one creature. Hit: 7 (1d8 + 3) piercing damage, and the target must make a DC 11 Constitution saving throw, taking 9 (2d8) poison damage on a failed save, or half as much damage on a successful one. If the poison damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even after regaining hit points, and is paralyzed while poisoned in this way.

Web (Recharge 6). Ranged Weapon Attack: +5 to hit, range 30/60 ft., one creature. Hit: The target is restrained by webbing. As an action, the restrained target can make a DC 12 Strength check, bursting the webbing on a success. The webbing can also be attacked and destroyed (AC 10; hp 5; vulnerability to fire damage; immunity to bludgeoning, poison, and psychic damage).

Animate. Cotton Candy Spider can make up to two small copies of itself .