From Unofficial QEdit Wiki Guide
ID/Name 404 | 2-1:Infernal Cavern Information A cave has been found beneath Ragol. Go and investigate. Description Client: Principal Quest: A network of subterranean caverns has been found under the surface of Ragol. Please investigate. ※ Job can be joined while in progress. Episode I > Normal > Government
Official translation. File originally provided with a default Tethealla implementation.
quest404_e.qst (Official English translation)