Storm of Vengeance

Make a spell card:
NameStorm of Vengeance
SchoolConjuration (Summoning)
LevelArc 9, Blg 9, Clr 9, Drd 9, Nobility 9, Retribution 9, Shu 9, Sin-W 9, Storm 9, Summer 9, Wrath 9
ComponentsV, S
Casting Time1 round
Recharge TimeGeneral
RangeLong (400 ft. + 40 ft./level)
Effect360-ft.-radius storm cloud
DurationConcentration (maximum 10 rounds) (D)
Saving ThrowSee text
Spell ResistanceYes