Your dexterity score increases by 2

Dream serpents reproduce asexually with their offspring being born genetically unique from their parent, a by product of the magical experimentation that created them. Dream serpents reach maturity at age 10, and live to just over 50 years.

you can use your serpentine body to coil around targets, grappling them. This counts as a natural melee attack. make an attack roll. on a success, the target is grappled. the dc to escape by a grappled target is 10 + your dexterity modifier. if a target fails this save, they can repeat the save again after 1 minute. while you are grappling a target this way, you cant move or take actions that require hands or movement. 

You can magically polymorph into a single humanoid form, or back into your true form by choice or if you die. The race, age and characteristics of the form alter your appearance only. Your ability scores, skills, actions, and traits all remain the same. Items you are wearing or carrying remain on the person of the new form, with clothing altered to match the new body shape.

You have a flying speed of 25 feet while not wearing heavy or medium armor

You are born instinctually knowing the languages abyssal and draconic, but don’t gain speech capacity until age 4.

Dream serpents have long coiling bodies covered in scales, with serpentine tails instead of legs and Draconic wings and claws. Their bodies scales come in many colors, with about 2 or 3 colors in a random pattern across the body. Immature dream serpents are about 3 feet long, but quickly grow to reach about 10 to 12 feet long at full maturity from nose to tail.as a majority of their body is on the ground slithering, they appear to be only about 5 feet tall when “standing” up.

You have a walking speed of 25 feet.

Your size is large, but counts as medium when determining occupied space and how much you can push, pull, or lift.