Hargrimm moves to the east of Wren. Should that give him good enough line of sight to see the creature he calls out "A flaming headless skeleton on the ground!", while he flashes back to the flaming skulls that had appeared in town. He scowls and throws a vortex of light at the thing.

Spoiler: Combat
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Move action: Move 20ft to end up east of Wren.
Standard action: Attack with Banelight Vortices.

Vortex: (1d20+4)[5], (3d6)[11]