Mummy's Mask - Shifting Sands [IC]

[Gwynfrid]

Guided by Vershab's tracing of the magical lines, Turi tries to makes sense of the patterns. Maybe by pressing here... or here... He makes several moves of his deft hands, but something feels off. At that moment, a cloud of greenish, acrid, pungent gas expands, hissing out of the giant face's nose! In instants, it fills up the bottom of the well. Their skin, eyes and lungs burned by the caustic vapors, the companions fall back. That's when they notice the gas is so thick that it slow down movement, hampering their retreat.

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Unfortunately, even counting Vershab's guidance as a successful aid another, Turi's result is still a large enough miss to trigger the trap.

Acid damage (2d6)[9]. All movement in the cloud is done at 1/2 speed, and it obscures vision beyond 5 ft.