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Thunder Signet.png

Thunder Signet is a Keepsake obtained by giving the god Zeus a gift of Nectar before accepting his Boon. Its effects can be enhanced by clearing enough encounters with the keepsake equipped.


The next Boon you find will be from Zeus. His blessings have +10/15/20% chance to be Rare or better.

Bond Message[]

From Zeus; you share a Thunderous Bond

Many beg favors of the King of Olympus. Few earn them with his compliments.


  • While the guaranteed Boon only works once per run and not per biome, the rarity bonus remains for the entire duration of carrying the keepsake.