How to use five-color pearls in the weather

At the end and beginning of the apocalypse, arrange five kinds of pearls in red, yellow, blue, green and purple to activate the portal. According to relevant information, Mermaid Ji's position is in the underground mausoleum in the volcanic zone, where she wakes for the dead benefactor. Find the tombstone with buildings in the volcanic area, dig down from the middle to the purple portal, and open the portal with five-color pearls to find the mermaid Ji.