Tome of Invisibility
The item “Tome of Invisibility” is a book in WoW Forever: Common quality, item level 38, usable at level 38.
Item Level 38 · Requires Level 38
| Tome of Invisibility Item Level 38 Classes: Mage |
| Requires Level 38 "Teaches Invisibility." Sell Price: 45 |
Source
Unknown so far. We'll add the source as soon as we have data.