twin souls

as a bonus action you can choose to have a creature roll with disadvantage on their next saving throws. doing this allows the dm to make you roll on the twined soul table.

twin souls randomized table 1d12 

1. personality change.
2. the voices are loud, and you take 1d12 damage roll again on the table, if you roll this option twice you and creatures within 15 ft of you take 2d12 force damage.
3. a holy light emits from your eyes and mouth causing a blinding light to emerge from within, your next damaging spell deals an extra 2d10 of radiant damage and if the creature is hit, they must make a wisdom saving throw or be blinded until the end of their next turn.
4. fairy lights and Will~o~wisp emerge from your core creating a mind field for 1-minute creatures must make a dexterity saving throw when they enter within 20 feet of you. on a failed save they take 3d4 of fire, or narcotic damage players choice.
5. the closes creature to you must make a wisdom saving throw or be polymorphed into a toad. if there isn't a target within 60ft of the caster you must make the save.
6. Personality change. players choice.
7. you and a creature of the dms choice heals for 2d12 plus your warlock level.
8. the voices argue about the light. you are stunned until the start of your next turn.
9. true chaos every creature within 30 ft of you swap places randomly. roll again. 
10. fire ball is casted centered on yourself.
11. regain a spell Slote the voices work together.
12. personality changes aggressive.