Rune of Storm is a wind-elemental master arts introduced in the Trails Universe from Ao no Kiseki.
With a Wind Master Quartz installed, the user calls upon the power Wind Sept-Terrion to activate the art. The caster is enclosed within a glowing circle outline being the central core of the magic circle surrounding the entire battlefield.
As the caster remains in place to preserve the circle, all other party members gain arts reflect upon the art's activation. In addition, all damage by offensive arts casted are increased by 1.5.