Paul

Paul moves closer, next to the fire, and points his wand at the two remaining vine blights, his fingers pressing on a couple of runes as it starts to emit a high-pitched whine, and then goes silent before emitting a thunderous shockwave.
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Move to just east of the fire, then back up 10' afterwards thanks to the Mobile ground speed.
Thunderwave, 1st level, with 1d8 bonus damage from arcane firearm.
(2d8)[14] thunder damage, plus (1d8)[7] to both? or one? I'm not sure.
DC 15 Con save half, and on a failed save, pushed back 10'.
VB Mid (1d20)[7]
VB S (1d20)[17]