Technique Name: Uraotogi Yami Aitemu: Kiyakutamate Bako
Translation: Uraotogi Darkness Item: Reverse Treasure Box
FUNimation's Name: Idunn Box
Description: In the story that UraUrashima is based on (Urashima Taro), there is a forbidden box that he is not to open when he returns from the world under water. However, he opens it, and instantly becomes an old man, regreting missing out on life. Well this box is the opposite. It turns the opponent into a child, which makes Uraurashima's opponents easier to kill.
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Technique Name: Kekkai
Translation: Barrier(Sealed Zone)
FUNimation's Name: Trap
Description: Uraurashima uses this technique by pretending to lash his fighing line at the opponent and continuosly miss them. However, in reality, he is forming a barrier around the ring in order to use the Reverse Treasure Box in a sealed area, where only the opponent is effected.