Wave of Warning [two-actions] Spell 5

You deter enemies with a wave of hostile intent. The target takes 7d8 nonlethal mental damage, and the target must attempt a Will save. The psychic energy then arcs to another creature within 30 feet of the first target, jumps to another creature within 30 feet of that target, and so on. You can end the wave at any point. You can't target the same creature more than once, and you must have line of effect to all targets. Roll the damage only once, and apply it to each target (halving or doubling as appropriate for its saving throw outcome).