The user attaches the brooch to their chest and presses the jewel on its back. The scorpion stabs the user with its stinger, increasing the user's magic power tenfold for ten minutes. Afterwards the brooch detaches and the user is left weakened.
- This tool was originally called Magic Scorpion Necklace 「魔塊蠍の首輪 Makai Sasori no Kubiwa」 but was amended in the volume release.
- ↑ Black Clover Manga and Anime — Chapter 141 (p. 7) and Episode 90.
- ↑ Black Clover Manga and Anime — Chapter 142 (p. 2) and Episode 90.
- ↑ Black Clover Manga — Vol. 16 (p. 13).