I dont understand what your question is?
If its do the holy souls come back to ask for prayers then in the lives of many saints there is accounts of holy souls appearing to them to ask for prayers (st padre pio is a good example of this)
If you want to pray for the souls in purgatory then check out the two links in my signature on this post…it has loads of testimonies of the holy souls obtaining favours for those who pray for them
