Your INT is increased by 2, and your WIS is increased by 2. 

Thanks to your celestial heritage, you have superior vision in dark and dim conditions. 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 have resistance to necrotic damage and radiant damage.

Due to the nature of your soul, once you regain memories of your past lives, you are surged with power, restoring you to where you once stood. 

In accordance to the DM, whenever the Deva goes through a experience that triggers their past emotions to resurface, they gain the following benefits:

• You gain proficiency in Insight, Perception, and Investigation. If you already have proficiency in any of these skills you gain expertise. 
• You gain a +1 to AC and a +1 to INT

In addition to this, once you reach 10th level, 14th level, 18th level, and 20th level, you main choose one of the following:

• Language of the Gods: You gain the ability to speak the Supernal language
• Reflection: You gain the ability to call forth your past selves as incorporeal servants or advisors, informing and aiding you.
• Divine Protection: You gain the ability to be resistant to Cold and Fire Damage
• Celestial Heritage: You gain a pair of Pure Celestial wings that can be summoned at any time. With the wings out, you gain a flying speed equal to your movement speed. If you are wearing heavy armor, your flying speed is reduced by 15ft.  

Using Memory of a Thousand Lives allows you to temporarily increase your competence. Once activated you gain the following abilities:

• Your INT increases by +4
• Your WIS and AC increases by +2
• You may regain spell slots equal to half of your level once activated
• Your mind cannot be read by any means outside of divine intervention or Wish
• You understand any Languages, either written or spoken

This ability once activated will remain until you are knocked unconscious, you choose to end it, or once 8 hours passes. You may use this ability once every 1d4 days after used. When Memory of a Thousand Lives ends, you take 1 point of exhaustion, as your mortal body cannot handle such power possessing it all at once, as well as roll a d20. On a 1 you cannot move for 1 hour, on a 2-9, you cannot move for 1 minute, on a 10-15, you cannot move for one round, and 16+ you take no other side effects.