Storms charges a spell and hurls a blade of glowing energy at the dragonrider.

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(1d20+10)[22]Concentration roll against dc 11 or 12 (10 plus 1/2 SoP caster level of 3 but I can’t remember whether to round that up or down) And spends 1 spell point to cast crafted blast and another to deal one die of damage per caster level or 3d6 damage, treating rolls of 1 or 2 as 3 due to Crafted blast. (1d20+3)[6] ranged touch attack, (1d6)[6], (1d6)[2], (1d6)[1]