Life Tap Rank 6
Life Tap (Rank 6) is a Warlock spell in the WoW Forever client.
Converts 424 (+100% of Spirit) Health into 424 (+100% of Spirit) Mana for you. Spirit increases the amount converted. (Numbers at level 60; they grow with your level.)
Data from the WoW Forever client, build 1.60.1.70862, extracted .