Baten Kaitos: Eternal Wings and the Lost Ocean

Baten Kaitos: Eternal Wings and the Lost Ocean is a role-playing video game developed by Monolith Soft and tri-Crescendo and published by Namco for the GameCube. It was released in Japan in 2003, North America in 2004 and PAL territories in 2005. The player assumes the role of a "guardian spirit" – an unseen player avatar – who guides protagonist Kalas and his party of companions in an adventure across an aerial floating island-based kingdom in the clouds. The game is focused around the concept of "Magnus" – magical cards that capture the "essence" of items found in the in-game world.