Reincarnation in Heaven

After people die, do they really have souls? If so, where do they go? Is reincarnation real? Those who know never come back, while those who do return have no idea. Except for one person...

The mystical arts in this story are completely made up. Do not attempt them yourself. Anyone who does is responsible for the consequences! Especially the long-lost art of astral projection. I tried it once, and almost couldn't get back. It was freaking terrifying! Remember that!