Talk:Tower of Mastering the Secret Arts/@comment-203.82.79.119-20180705230832/@comment-32571505-20180705232816

Rune bosses and rune time. Try to get as many rune bosses as possible and try to aim for at least 1 rune time per day. That way, your rank increases significantly.

If you have enough jewels, you can buy the rune research lab, which increases your chances of encountering a rune boss