Help on spell infernal thoughts

Current upkeeper: Xiao
Casting time    : 5
Spell cost      : 1
Spell type      : offensive (area)
Spell words     : fietuirp
Affecting stats : Int, Wis, Lvl
Affecting skills: Arcane power, Energy focus
Affecting spells: Infernal thoughts
With this extremely powerful spell a experienced sorcerer can turn
entire cities in to the ashes.

Indasis prayer < List > Inferno