How many R4s can you have in an alliance?

You can add as many as you deem necessary. Should you? No. Be wise in promoting. Those as R4 can promote, boot, start some events, mess up the store, and more. Put players you trust in this job. Let them earn it.

main answer max you can have 20 members as R4. as leader yeah maybe situation be out of control sometimes but if you say those r4 don't start events or restock stuffs out of plan, that will work or just limit that to specific members, like only diplomat add stuffs in shop. any way, you can't control all, more r4 during alliance showdown will help, put useful & helpful that. you can test them too.