Lina und ihre Freunde landen in Rezos unterirdischem Labyrinth und machen sich dort auf die Suche nach dessen Vermächtnis.
Lina, Gourry, Amelia and Sylphiel get to Rezo's museum. They break the seal by the Sword of Light and look for Rezo's secret in the underground chamber. They are caught in a trap set by Eris and become separated. While Lina searches for Gourry and Amelia, Sylphiel asks her about her relationship with Gourry. She tries not to show any feelings for Gourry other than a mere friendship. In the meantime, Gourry is in the middle of man-to-man battle with Zangulus. He is cornered by the strong opponent but Gourry uses the full force of his Sword of Light and defeats Zangulus.
Reena y sus amigos llegan a las dependencias de Rezo. Con ayuda de la espada de luz de Gaudy consiguen romper el sello de la cámara subterránea, pero el grupo es atrapado por una trampa y se separa, quedando Gaudy solo en una gran sala donde tendrá que confrontar a uno de los súbditos del mago rojo.
レゾの研究所にたどり着いたリナたち。封印を「光の剣」で破り、レゾの遺産を求めて最下層を目指す。ところが、エリスたちの罠にはまり分断されてしまう。ガウリイはエリスの元を離れたザングルスと一騎打ちに。最後の決着をつけるべく挑みかかるザングルスにガウリイも大苦戦…!!
드디어 레조의 연구실에 들어온 리나 인버스 일행! 그러나 공격은 끊임없이 계속되고, 질긴 정글스가 진짜로 가우리와 결판을 내려한다. 과연 가우리는 결투에 승리할 수 있을까?