Hope of Abrup's People
Hope of Abrup's People is a consumable (consumable) in GMS v271. Sells to NPCs for 1 mesos.
Hold both the Heart of the Eyeful and the Hope of Abrup's People for 30 minutes while you are waiting for MONAD: The First Omen Act 3, and you'll gain an Earnest Heart, giving you 1.5x EXP for 30 minutes.