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

Abominations mature at the same rate as humans and have lifespans similar in length to theirs.

Yuan-ti abominations are usually devoid of emotion and see others as tools to manipulate. They care little for law or chaos and are typically neutral evil.

Your size is Medium, although you tower over most of the other humanoids.

Your base walking speed is 30 feet.

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.

You know speak with animals and can use it an unlimited number of times with this trait, but you can target only snakes with it. Starting at 3rd level you can cast the enthrall spell as a bonus action when you're playing a flute, after casting it, you can't do so again until you finish a short rest . When you reach 5th level, you can cast polymorph but only into a large constrictor snake or back to your true form. You cannot cast any spells as the giant snake and once you cast it, you can't do so again until you finish a long rest. Charisma is your spellcasting ability for these spells.

You have advantage on saving throws against spells and other magical effects.

Your fangs are natural melee weapons, with which you’re proficient. If you hit with your fangs, the target takes piercing damage equal to 2d4 + your Strength modifier.

Using your snake body you can easily maneuver around enemies and wrap around them. With this trait you have advantage on all your grappling checks.

You have two creature types: humanoid and monstrosity. You can be affected by a game effect if it works on either of your creature types.

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