After announcing legendary Final Fantasy artist Yoshitaka Amano as a designer for Eternal, Japanese developer Asobimo recently revealed that Luna Sea is performing the mobile MMORPG’s theme song, PHILIA. If you did not already know, Asobimo has been making mobile MMORPG titles for many years, and Eternal is touted as the essence of all those experience. Luna Sea is a legendary Japanese rock band as well having been active since 1989, and their latest album is dropping this December with PHILIA part of the song list. Eternal is now in pre-registration phase over in Japan, with no launch date confirmed yet.