Having finally taken the burden to becoming the true OOO, Eiji fights to prevent Doctor Maki from realizing his "perfect end" while working to reach his ultimate desire of being there for others and having others be there for him.
Eiji's realization of desire and his Purple Medals forces him to take anything in his way, including Ankh and a final offer from Kougami to become the OOO Vessel.
Doctor Maki approaches Eiji about the truth of the Greeed, themselves and the Purple Medals within them while working with Ankh to regain his final desire.
Eiji teaches a lesson to Tsukuba and Gotou about going forth to gain what is desired; while Ankh tries to figure a way to manage the flying Ageha Yummy using Gamel.
Eiji and Akira force Ankh to reveal the truth about OOO and his incomplete revival, while Maki reveals to Chiyoko the connection with his older sister.
The truth behind Eiji's philosophy on life is revealed as he becomes the container of the mysterious Purple Medals and faces an assault of new dinosaur-based Yummies.