Board Thread:General Discussion/@comment-35523327-20191225035213/@comment-26393112-20191225185246

PlaceRebuilder wrote: You are allowed to use it once you reach the required rank.

If you werent prestige you could use it from rank 0, but as prestige you need to atleast reach the ranklimit (but you dont need to repurchase it). Maybe it's because of the EXP Compensation? Skips the rank requirement for the Flamethrower maybe?