Talk:Legendary Mammoth/@comment-3570457-20131219011209/@comment-175.156.197.215-20131221075319

It works like the Boss Strike reward units. At R1 it's for ~lv15 players, at R6 it's for lv60+ players. It also ranks up very fast, both in SP required and promotion time(1 hour for R1-6).

At R6, which you can treat as a typical R1 unit for lv60+ players, it is good.