Your Charisma score increases by 2 and two of your other ability scores of your choice increase by 1.

You are a medium race

Your organic parts may be hurt by acid, but your crystalline parts are capable of converting it into life. As a reaction to taking acid damage, you may regain 10 hit points on your next turn. Acid damage can never kill you, only knock you out. 

You gain immunity to the charmed condition. 

While your crystalline structure provides a lot of benefits, it also conducts lightning much better than flesh and bone. Also due to the crystalline structures suffusing your body, you suffer from vulnerability to thunder  and lightning damage. 

As a resplendent being of crystal and flesh, you are immune to radiant damage. You are anathema to the  undead and the tainted energies of unlife. You gain resistance to necrotic damage. 

You qualify as both an elf and as a colliatur for purposes of racial prerequisites, item-use restrictions

You value life, any life, more highly than just about all other races as a consequence of your entwinement with the colloid. Ending a life is an emotionally and physically draining procedure for you. If you choose to kill a living creature upon reducing it to 0 hit points instead of knocking it out, you immediately increase your exhaustion level by +1, up to a maximum of 5. Constructs, elementals and undead are exempt from this—you can destroy these creatures without ramifications. 

Seeing the world through star-shaped, resplendent pupils has its benefits. You can see in dim light within 120 ft. 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 can speak Common, Elvish, and Deep Speach