[D-fendr]

that Christians have a second chance after death.

If this is your view of Purgatory, it's incorrect. Those in Purgatory are heaven-bound, that judgement has already been made, no second chance needed.

[RegulatorCountry]

If this is your view of Purgatory, it's incorrect. Those in Purgatory are heaven-bound, that judgement has already been made, no second chance needed.

Then praying for the dead in purgatory serves what purpose?