Mimir's Well Achievement in Genshin Impact

In Genshin Impact 7.2, players can unlock the hidden achievement Mimir's Well. Start by talking to Obrenov at the railway station to begin The Kind Soul Who Brings Bread quest. After trading a Precious Pearl and other items with NPCs in Downtown Novokitezhgrad, you’ll earn Primogems and Hero's Wit along with the achievement. It's a fun quest to complete!