When Starfrost Swirl‘s Flowfrost Arrow first hits an opponent, or its Rimestar Flare hits an opponent, 1 Detector stack from the Ascension Talent “Suppressive Barrage” will be generated. You must first unlock the Ascension Talent “Suppressive Barrage.”
Since Lumi is a summon, does she count as a Geo Construct? It doesn't state it in her skill descrip...