Eldon's Jar of Steam
A seemingly empty glass jar that is warm to the touch.
Power (Daily – Zone) – Minor Action. When you pull the lid off the jar, hot steam fills a close burst 1 for 2 rounds. This zone of steam provides concealment. All creatures within it take 1d6 fire damage.
Sustain Minor. You must be within 10 squares of the object to sustain it.
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