Help on spell intense heat

Current upkeeper: Xiao
Casting time    : 5
Spell cost      : 1
Spell type      : offensive (single)
Spell words     : canikulae arsus tostus
Affecting stats : Int, Wis, Lvl
Affecting skills: Arcane power, Energy focus
Affecting spells: Intense heat
With this powerful spell a sorcerer can blast a high intensivity bolt of focused heat
to some poor creature which will be burnt down.

Inferno < List > Invulnerability