During the ongoing Event Nov 22, 2023 (Wed) after maintenance - Dec 6, 2023 (Wed) before maintenance, collect [Event] Rock of Abundance  by defeating monsters, gathering and fishing, that's up to you

Note: discarding or selling your obtained [Event] Rock of Abundance does not affect the accumulated global count.

You can check daily the amount of [Event] Rock of Abundance  gathered so far and also the rewards await for you all:  [Event] Collect Rock of Abundance with Adventurers from Around the World! | Black Desert Turkey / MENA (playblackdesert.com) 

When the accumulated amount reaches certain milestones, you receive the corresponding rewards via your Mailbox (B)

That's all for this guide, if you ever have any question related to Black Desert, let me know on my discord:  abdelhamid.dustan or in-game, my family name's  Dustan

Take good care.