Latency does not belong to the evocation universe. The submarine series is an independent universe. Like the evocation series, the evocation universe is much larger than the latent universe. The latent universe mainly revolves around the psychic Elis to exorcise demons, and most of the events in the evocation universe are remakes of real events, which revolve around warren couple. Both of these series were written by James Wan, the master of terror. Although there are directors from James Wan, they are completely different stories and characters. The American horror thriller Evocation is one of the representatives of horror movies. From 20 13 to 202 1, this series has experienced eight years of efforts and continuously expanded the story line. So far, eight films have been born, and the "evocation" universe has been born. This series has achieved great success in business and word of mouth.