The variety of places where the souls of the dead end up after death reflects different philosophical and religious views on existence after death. Each of these places has its own specificity and purpose, reflecting ideas about rewards and punishments, purification and anticipation. Some of them are located on the border with the mortal world, others are far beyond it. But besides them, there are more subtle worlds: so subtle and invisible that it is almost impossible to look into them, impossible to enter on purpose, almost impossible to contact the inhabitants of such places. Or rather, no. There is a way. He has been known for a long time. In ancient times, secret knowledge was passed on only to a select few. For hundreds of years, people have practiced entering the veil into oblivion, but it was an extremely dangerous activity associated with a risk to life.