1. You can donate to alliance technologies after joining an alliance.
2. The progress bar will increase after each donation. Each donor will receive alliance donation points, coins, and EXP at the alliance level.
3. Donations are limited to 20 times. You must wait sometime after using them to reclaim contribution opportunities.
4. When the technology's progress bar is full, R4 and R5 members can begin doing technical research.
5. When the technology research is completed, all alliance members will get the attribute of the technology bonus.
6. The alliance can only research one technology at a time.
7. The more research the alliance completes, the more advanced technologies will be unlocked.