You are granted a +2 to dexterity and +1 to another ability of your choice.

To blend in with the surface level beings you can take the appearance of a human that represents you. This form must be between 4-6 feet in height and must match your gender as well. You only get to look like this one representation, it cannot be altered. To transform you use a small well of magic limiting you 3 transformations per day. 

You are granted Darkvision

You have advantage on Intimidation checks against creatures who are shorter than you.

The nature of your kind gives you solid experience in devious arts. You have proficiency in stealth and slight of hand checks.

Crizzat reach adulthood by age 50 and on average live to be 1500. Your size is large

You can speak read and write common and abyssal. Crizzat are commonly evil or chaotic.

Crizzat range from 8-11 feet tall and have a 12-15 foot wingspan. The body is made up of tight and compact muscle similar to a snake but with a slightly more rough human type skin. They're wings are long and thin, when not flying they keep them tucked into their side. They have 3-5 sharp claws attached to hands and feet connected by thin arms. Their tail is also long and thin resembling a stiff rat tail. Atop their head and back are many spikes in random sizes and positions. Two small red eyes appear from their face. The face is very shape oriented and not detailed with anything other than two small holes for a nose and a small mouth with short sharp teeth.