Changes

* '''2017-12-22:''' '''Implemented''' as ranking reward

* '''2017-12-22:''' '''Implemented''' as ranking reward

* '''2017-12-27:''' Became '''improvable'''

* '''2017-12-27:''' Became '''improvable'''

* '''2018-06-29:''' '''Stats increased:'''  '''{{AA}}+3 → {{AA}}+4 ''', visible bonuses added

* '''2018-06-29:''' '''Stats increased:'''  '''{{AA}}+3 → {{AA}}+4 ''', visible bonuses increased

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