Compulsion immunity. The chaos dragon is immune to all effects that would effect their way of current thinking or general way of thinking. 

Innate Spellcasting. The young chaos dragon's innate spellcasting ability is Charisma (DC 15, +7 to hit with spell attacks). The young chaos dragon can innately cast the following spells, requiring no material components:

3/day each: fire shield (deals necrotic damage), protection from good and evil (effects only lawful beings instead), spiritual weapon (deals necrotic damage and is always a hammer), 

1/day each: chaos bolt, dispel good and evil (only effects lawful beings), mislead, divine word (only effects lawful creatures)

Multi attack. The chaos dragon wyrmling makes two claw attacks and a bite attack. 

Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., 1 target. Hit: 14 (2d10 + 3) piercing damage plus 5 (2d4) of one of the breath weapon's damage types chosen at random. 

Claw. Melee Weapon Attack: +6 to hit, reach 5 ft., 1 target. Hit: 10 (2d6 + 3) slashing damage. 

Chaotic breath (Recharges 5/6). The chaos dragon exhales a blast of chaotic energy, each creature within a 30ft cone must make a DC 15 Dexterity saving throw or take 45 (18d4) of one of the following damage types picked at random: acid, cold, lightning, fire or thunder. On a successful saving throw a creature takes half damage.