>>57123435The Hoenn E4 is based on Hilton's Lost Horizon. Ever Grand City is based on Shangri-La and the elite 4 are based on the characters from the book. Phoebe is based on Lo-Tsen (Maria in the films) who is a young Manchu woman who lives in Shangri-La, the secret is that she's actually 80 years old and once she leaves she starts aging instantly and dies. That's why she is ghost type.