Send special agents across the world to collect bounties and try to get exclusive content, like Gods which are only available in special events, in the shop.
The Mercenary Board is a special event which is only available for some days, so be quick!
During this event you can find the Mercenary Board randomly on your base. Dispatch mercenaries to the far reaches of the Celestial Realm. You can accepts one request for 99 comets in order to receive one bounty or nine requests for 800 comets (discount of 91 comets). At the bottom of the board you can see how many requests during the event time are left, the requests will be not reset during day / night cycle.
Gold Relic Shards can be purchased up to three time a day. The limit is reset daily at 23:00.