Idolatrize World is one of my favourite final boss themes. It really fits for a powerful final boss.
I like the fact that Keiki is pretty much the only boss that the player has ran away from.
You are free to copy, distribute and transmit this work under the following conditions:
*You may not use this work without making specific arrangements with the artist UNLESS your work is a web-based game or animation, in which case you may use this freely.
** Cover / remake of a third-party piece.
Excercise caution when using it, refer to author comments / contact the author for details.