Death Touched

You charmed the one that takes you to the afterlife, giving you a single new lease on life.
It made a deal with you to help you in your endeavors.

If you die you come back to life with a half or you proficiency bonus in d4 + constitution.
This feat gives disadvantage on death saving throws for 30 sec (5 rounds of combat)

this effect triggers once every long rest when you arent under effects of a level of exhaustion or a debuff.