aden ▁returns ▁to ▁the ▁Academy ▁and ▁is ▁informed ▁that ▁Ros h ▁never ▁returned ▁from ▁his ▁mission ▁to ▁By ss . ▁ ▁As ▁J aden ▁is ▁assigned ▁more ▁miss ions , ▁some ▁related ▁to ▁the ▁Dis ci ples ▁of ▁R agn os , ▁Luke ▁inform s ▁the ▁students ▁that ▁the ▁cult ▁have ▁collected ▁Force ▁energy ▁from ▁all ▁the ▁places ▁mentioned ▁in ▁his ▁journal , ▁as ▁well ▁as ▁some ▁that ▁he ▁deliber ately ▁left ▁out , ▁before ▁sending ▁them ▁to ▁investigate ▁the ▁remaining ▁locations ▁strong ▁with ▁Force ▁and ▁see ▁if ▁the ▁Dis ci ples ▁have ▁found ▁them ▁already . ▁J aden ▁accompan ies ▁K yle ▁to ▁Dar th ▁V ader ' s ▁old ▁for tr ess ▁on ▁V j un , ▁and ▁the ▁pair ▁fight ▁their ▁way ▁through ▁the ▁castle , ▁before ▁getting ▁se pr ated . ▁J aden ▁eventually ▁find ▁Ros h , ▁who ▁had ▁fallen ▁to ▁the ▁dark ▁side ▁and ▁joined ▁the ▁Dis ci ples ▁of ▁Rang ons ▁to ▁avoid ▁being ▁killed ▁after ▁being ▁captured . ▁J aden ▁defe ats ▁Ros h , ▁before ▁the ▁cult ' s ▁leader ▁shows ▁up , ▁reve aling ▁herself ▁as ▁T av ion ▁Ax mis ▁– ▁the ▁former ▁app rent ice ▁of ▁K yle ' s ▁old ▁nem esis ▁Des ann ▁– ▁and ▁explains ▁that ▁she ▁retrieved ▁an ▁ancient ▁S ith ▁artifact ▁called ▁the ▁" S cep ter ▁of ▁R agn os ", ▁which ▁can ▁abs orb ▁and ▁release ▁Force ▁energy . ▁T av ion ▁then ▁uses ▁the ▁s cep ter ▁to ▁destroy ▁the ▁room ' s