User blog comment:KrystalLBX/20 damage challenge (OTK puzzle)/@comment-10182779-20170531035929

Use Bonus quest to gain 2 gauge and draw 2, (5 cards in hand and 5 gauge) equip with aetherstrom,( 4 gauge and 4 hand) call thunder gao to give himself an extra crit and call tetsuya to center and purgatory knight to an open space (1 card in hand and 4 gauge) Link testuya with gao to give gao double attack ( 4 damage and 4 gauge and 1 card in hand), Link gao and purgatory knight and activates gao's skill to stand both him and purgatory knight (5 damage and 3 gauge and 1 card in hand), purgatory knight to counter destroy tetsuya and deal 1 damage to op and gain a gauge (1 damage and 4 gauge and 1 card in hand), attack separately with gao and purgatory knight and twice with aether (3+2+2+2=9 and 4 gauge) and cast Full starsh in final phase for additinal (3+2+2=7 damage and 1 gauge with no hand) Therefore a total of (4+5+1+9+7=29 damage) I think that's the furthers you can go, cant seems to break 30....