Your Dexterity score increases by 2, and your Charisma score increases by 1.

Yuan-tis mature at the same rate as humans, but usually live up to two centuries.

A Dynablood is around 5-6 feet when they reach adulthood, but can grow to be 6-7 feet if they grow in power. Your size is medium.

Upon reaching 3rd level, you gain snake-like vision. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can’t discern color in darkness, only shades of gray.

Upon reaching 5th level, as an action on your turn, you can polymorph into a Constrictor Snake, or back into your true form. Your statistics are replaced, except for your mental ability scores and hitpoints, and any equipment you are have equipped or are carrying is also transformed. You revert back to your true form if you die.

Upon reaching 7th level, you can change into a Giant Constrictor Snake

Upon reaching 5th level, you have 30 feet of swimming speed.

As you become stronger, you become more and more snake-like. At 3rd level, you gain fangs, patches of scales, and longer nails. At 5th level, your body is mostly covered in scales, your tongue grows longer whilst forking and you eyes grow completely serpentine. At 7th level, your body is completely covered in scales, your nails become claws and you grow a tail. Finally at 9th level, your legs are replaced by your tail.

You can speak, read, and write Abyssal, Common and Draconic.