Tome of Fire
From The Heroes of Might and Magic III wiki
|Tome of Fire|
|Effect: This heavy book contains all spells in the school of Fire Magic. It must be equipped for the spells to be available."|
|You come across a conjurer who begs to accompany you and your army awhile for safety. You agree, and he offers as payment a copy of a book of the elements.|
Tome of Fire is a relic class artifact, that is equipped in misc slot.
The level of the hero's Wisdom is not a factor.