처음스킬을배우면F랭,스킬을사용하다보면스킬수련치가쌓이는데수련치가일정량을넘어가면랭크레벨업을할수있고,F-E-D-C-B-A-9-8-7-6-5-4-3-2-1이런식으로나갑니다
[무물보AI] 답변 로딩중...