本生故事，讲大臣先那迦借吞剑艺人之表演，教导国王摩陀婆“守住轻率的承诺”远比吞剑更难，藉此治愈国王因将王后借予青年一周、王后竟随之私奔而生的忧思。

A birth story of a counsellor who used the display of a sword-swallower to teach a king that keeping a rash promise is harder than swallowing a sword, curing the king’s grief over a queen who had run off with a young man given to her for a week.