I burned through 15, still got normal sailing successful envelope as well as the numerous setting sail ones at the same time. So it might just be like when they gave us guild warfare rewards a few days later, except months later in this case.
I burned through 15, still got normal sailing successful envelope as well as the numerous setting sail ones at the same time. So it might just be like when they gave us guild warfare rewards a few days later, except months later in this case.