Huo Dan (火彈, fire bullet), also known as Huo Yao (火妖, lit. 'Fire monster') is a simple hand grenade used by the Ming army. It is a fist-sized paper ball coated in rosin, Chinese tallowtree wax and beeswax, and filled with rosin and poisoned caltrops.
While usually thrown by hand, Huo Dan can also be launched from a hand mortar known as Huo Dan Tong (火彈筒).
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