▁D yr k ▁Mag z . ▁ ▁During ▁the ▁Leg ion ' s ▁first ▁trip ▁to ▁the ▁ 2 0 th ▁century , ▁X S ▁was ▁separated ▁from ▁them . ▁She ▁met ▁her ▁cousin ▁Bart ▁Allen ▁( Imp ulse ), ▁becoming ▁a ▁good ▁friend . ▁She ▁revealed ▁how ▁she ▁was ▁particip ating ▁in ▁an ▁ar che ological ▁dig ▁in ▁the ▁future . ▁X S ▁fought ▁side ▁by ▁side ▁with ▁Imp ulse ▁and ▁other ▁speed sters ▁during ▁the ▁events ▁of ▁Dead ▁He at . ▁After wards , ▁the ▁ 2 7 th ▁century ▁Flash ▁fixed ▁her ▁grand father ' s ▁Cos mic ▁T read mill , ▁en abling ▁her ▁to ▁go ▁home . ▁Unfortunately , ▁she ▁over shot , ▁encounter ing ▁two ▁further ▁future ▁inc arn ations ▁of ▁the ▁Leg ion ▁before ▁returning . ▁Imp ulse ▁left ▁her ▁a ▁good bye ▁note ▁in ▁the ▁building ▁that ▁she ▁was ▁particip ating ▁in ▁exc av ating . ▁ ▁X S ▁was ▁one ▁of ▁the ▁Leg ion na ires ▁left ▁behind ▁after ▁many ▁of ▁her ▁team m ates ▁were ▁lost , ▁causing ▁the ▁team ▁to ▁be ▁force fully ▁dis band ed . ▁She ▁tra ve led ▁to ▁X anth u ▁with ▁her ▁team mate ▁Star ▁Boy , ▁where ▁she ▁found ▁herself ▁caught ▁in ▁a ▁war ▁between ▁X anth u ▁and ▁Rob ot ica . ▁While ▁the ▁two ▁Leg ion na ires ▁managed ▁to ▁save ▁millions ▁of ▁lives ▁by ▁dist ract ing ▁Rob ot ica ▁long ▁enough ▁for ▁the ▁surv iving ▁X anth ians ▁to ▁escape ▁off -