When determining your character’s ability scores, you increase one of those scores by 2 and increase a different score by 1, or you increase three different scores by 1. Follow this rule regardless of the method you use to determine the scores, such as rolling or point buy. The “Quick Build” section for your character’s class offers suggestions on which scores to increase. You’re free to follow those suggestions or to ignore them. Whichever scores you decide to increase, none of the scores can be raised above 20.

Your character can speak, read, and write Common

When taking slashing, piercing or bludgeoning damage, reduce that damage by an amount equal to your proficiency bonus. This reduction is applied before applying resistances or vulnerabilities and cannot reduce damage bellow 1

As a reaction, you can use your crystalline body to refract the light around you towards an attacker up 30ft away if you are in bright light or 10ft away if you are in dim light, making them have disadvantage on that attack. This effect does not work against blind enemies or enemies that do no require sight to attack.

You can use this reaction a number of times equal to 2 plus your proficiency modifier

Additionally at 5th level, you can cast the blur spell on yourself once per long rest.

Your crystalline body and diamond heart gives you a natural immunity to diseases and grants you advantage on saving throws against being poisoned. You also do not need to eat, drink or breathe but can choose to eat & drink if you wish.

Your heart is made of a pure chunk of diamond, which if harvested in one way or another, would be equal to a 500gp diamond.

Due to the painful history of your race, you innately have better skills fitted for survival. Choose two from the following skills: Athletics, Insight, Intimidation, Perception, Persuasion, Stealth and Survival