Announcing Publication of the Third Edition

If 45 kg (100 lbs) of flash powder is ignited in the open air, it is instantly lethal within an 8 m (25 ft) radius, and can be lethal up to several hundred feet if hit by things propelled from the blast. Windows will break for a 400 m (1/4-mi) radius, and buildings will sustain structural damage up to 180 m (600 ft) away. ................
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