From The Heroes of Might and Magic III wiki

[edit] Biography

Xyron seems to like fire even more than anyone would expect of an Efreeti, but Xyron delights in just about anything having to do with fire or lava.

[edit] Special Ability

Inferno - Xyron's proficiency in the Inferno spell allows him to cast it with increased effect, based on his level compared to the level of the target (greater bonus on weaker units).

[edit] Secondary Skills

Basic Wisdom

Basic Scholar

[edit] Additional Information

Class: Heretic

Gender: Male

Species: Efreet

Xyron starts with a Spell Book and knows the spell Inferno.

J R's rating: 3.5/5

Comment: Xyron cannot cast the Inferno spell until he gains at least one extra point of Knowledge.