Vampire Soul Keeper

When you get the Blood River achievement by getting the first bite, gaining the soul, and gaining a new vampire as a minion, you get +1 on this achievement for as long as you keep that soul. If you move or trade the soul, you lose the point for that soul, but can regain it if you get the soul back. (Counts for new achievements after 2/4/16)

Level 1:
10
Level 2:
25
Level 3:
50
Level 4:
100
Level 5:
250