A flask containing a milky white potion, and is simply labeled "A long Life"
Once ingested the character gains the following dark gift:
Gift:
Your Skin becomes corps grey and cold.
Your gain the effect of TIMELESS BODY (PHB Druid Lv. 18 p.67) the powers of Ravenloft ( or the night Mother) causes you to age more slowly. For every 10 years that pass, your body ages only 1 year.
Dark Price:
You can no longer remember how your own Face looked, Mirrors and other reflective surfaces won’t show your image any more. Every attempt to draw or recreate your face will fail, even magical effects or shape shifting will not be able to recreate your image. (If you use the mirror image spell your copy’s will not show your face you and your copy’s will have the face of random person. Illusion spells will fail to recreate your image accurately.)
In action, your gain to fallowing flaw: “I feel incomplete without my reflection, I will do anything to get it back!”