Conversation so far:
where does the idea of purgatory come from in the bible
Roman Catholic belief in after-life purification is based on the practice of praying for the dead, which is mentioned in 2 Maccabees 12:42-44, part of Sacred Scripture.
when was the practice of praying for the dead first adopted
According to the Catechism of the Catholic Church praying for the dead was adopted by Christians from the beginning.
what is the purpose of the practice of praying for the dead
By praying for the dead, the dead are thereby assisted between death and their entry into their final abode.
do protestants share the same as catholics of an after-life purification based on the practice of praying for the dead
In general, Protestant churches reject the Roman Catholic doctrine of purgatory although some teach the existence of an intermediate state.

Question: why is the catholic doctine rejected
Self-contained rewrite: why is the roman catholic doctrine of purgatory rejected by protestant churches