Grimoire of Burning Spirit

Common, Book, item level 6, item 3143

Changed from Classic: the tooltip differs on the highlighted lines below.

Book

Classes: Warlock

Requires Level 6

Use: Converts 20 health into 40 Mana for you. Spirit increases the amount of Mana converted. Mana gained is increased by your Spirit.

"Teaches Life Tap (Rank 1)."

Sell Price: 50c

Changed from Classic (see below).

Classic's version

Book

Classes: Warlock

Requires Level 6

Use: Teaches Life Tap (Rank 1).

Sell Price: 50c