Yu-Gi-Oh 5D Episode 18 English Subbed Episode Title:The Ancient Forest: Invitation to the Spirits' World.Episode Description:The first round of the Fortune Cup is over, but Rex Goodwin is holding a consolation match, which opposes Professor Frank against the real Luna, much to Leo's disappointment. Not only is Luna reluctant to duel, but the duel itself is planned to uncover her Signer abilities, which turn out to be spiritual and some forms of extrasensory, whereas Akiza's are psychic. Furthermore, Frank has a stirring speech that sends Luna into a trance-like state, disrupting her dueling capabilities and sending her mind to the realm of Duel Monster Spirits.