Cleopatra's Brooch

Wondrous item, very rare (requires attunement)

This beautiful brooch of Egyptian design is shaped like a blue and gold scarab beetle. The brooch has 3 charges. If you fail a saving throw, you may use your reaction to expend 2 charges and turn the failed save into a successful one. The brooch regains 1d3 charges daily at dawn.

Bible5e custom item. Its specific properties supplement the standard magic item rules.