Geo: The currency of Hallownest, used for purchases and upgrades. Farmed from enemies and Geo deposits. Can be lost upon death if not retrieved from your Shade.
Relics: Valuable items found throughout Hallownest that can be sold to Relic Seeker Lemm in the City of Tears for Geo. These include Wanderer's Journals, Hallownest Seals, King's Idols, and Arcane Eggs. They serve no other purpose than to be sold for currency.