Heaven & Hell
Is purgatory real?
That depends on which Christian tradition you ask. Catholic teaching holds that most people who die in God's grace still need further purifying before entering heaven's full presence—not a second chance at salvation, but a cleansing process for those already saved but not yet fully ready. This is called purgatory.
Orthodox Christians hold a related, less clearly defined idea—praying for the dead—without officially teaching Catholic-style purgatory as formal doctrine.
Most Protestants reject purgatory entirely. Their reasoning: Scripture says believers who die go immediately to be "at home with the Lord," and Christ's death is already enough to make someone fully clean before God, with nothing more needing to be added, including suffering after death.
Catholics often point to a line in 1 Corinthians about a person's work being tested "by fire," though even Catholic theologians debate exactly how literally to read that image.
This remains one of the clearest doctrinal lines separating Catholic teaching from most Protestant traditions.
Bible quotations in these answers are generally taken from the Christian Standard Bible®, Copyright © 2017 by Holman Bible Publishers. Used by permission. Christian Standard Bible® and CSB® are federally registered trademarks of Holman Bible Publishers. Some biblical wording may be paraphrased or follow other translations.