so maybe spoiler but this is what I thing is going on or going to happen as off episode 6:
xiao wudi isn't an ancient person at all but the biological son of an ni na the female leads mother. and this master is the father of the female lead. the father of the female lead is somesort of scientist that oppend a portal into an alternativ reaqlty during the fire. and somehow he and xiao wudi got trapped there and he has been tryng to get xiao wudi backhome. as to why the female lead has some knowleg of what happend there. i d´nt know jet. either a psycic bond or some childhood tale. maybe her father had already had some acces to that dimention befor they got trapped. reason xiao wudi dosn't know this the shock of travelling to the past caused amesia.
but no subs so.
xiao wudi isn't an ancient person at all but the biological son of an ni na the female leads mother.
and this master is the father of the female lead.
the father of the female lead is somesort of scientist that oppend a portal into an alternativ reaqlty during the fire. and somehow he and xiao wudi got trapped there and he has been tryng to get xiao wudi backhome. as to why the female lead has some knowleg of what happend there. i d´nt know jet. either a psycic bond or some childhood tale. maybe her father had already had some acces to that dimention befor they got trapped.
reason xiao wudi dosn't know this the shock of travelling to the past caused amesia.