@@jellyrush974 In March 2019 it was announced that Ravn would be taking a break from the group due to personal and health reasons. In May 2019 he began again his activities with the group. This is the reason why he was on hiatus.
During this era (which is around Valkyrie era), Ravn took a hiatus (around 1 or 2 months) due to his personal health. So he didn't join any promotional activities at that time
아닐껄요..?제가 알기로는 모두 연습생 생활때 서바이벌 프로그램에 많이 출연해서 맴버들 전부 군대를 다 안 갔다 왔을거예요. 특히 막내인 시온이는 거의 20살 되자마자 데뷔한거고 98즈인 환웅,건희는 20살때 프로듀스 시즌2 나오고도 연습생 RBW BOYS로 버스킹이나 V앱을 통해서도 자주 모습을 보여줘서 아마 군대를 안갔을거예요.