Help on spell call lightning

Current upkeeper: Pickett
Casting time    : 3
Spell cost      : 1
Spell type      : offensive (single)
Spell words     : OJLO REOH
Affecting stats : Int, Wis, Lvl
Affecting skills: Arcane power, Energy focus
Affecting spells: Call lightning
This spell allows you to call a lightning to strike down your foes.  This
spell does more damage in areas of water and open ground.  This spell is
only usable outdoors.

Call demon < List > Call of the boatman