Furthermore, with the release of "Grand RP 2.0" (the new map update), it is highly likely the developers will drop a massive amount of events to stress-test the new servers. Keep your eyes peeled for patch notes.
While there isn't a permanent "always working" promo code for Grand RP, the developers are generous during events. By checking the official Discord or this article for updates, you can consistently claim to enhance your roleplaying experience. grand rp promo code free