Haru sees his chance to join the fray and moves into the hallway between Maeni and Bangs, and performs the necessary gestures and very obviously magical grunts to conjure up a small ball of powerful wind, which he proceeds to throw at the enemy, hoping to topple it over with the sheer force.

Spoiler: Actions
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Move action: Move between Maeni and Bangs to get LoS on AO2
Standard action: Gale Blast at range, spend a spell point for full damage.

Ranged Touch attack (1d20+6)[21] (range penalty for lacking precise shot was not applied)
Damage, if successful (2d6)[6] Nonlethal
Trip check, if successful (1d20+7)[22]

Gale Blast deals nonlethal damage and allows for a trip check using Caster Level plus Casting modifier in place of usual CMB.

Since it's been a while, I would be remiss to remind you that I do have the Wild Magic drawback.