Complex sentence: Character designer Yuji Himukai created artwork for a formidable enemy that the cast fights in the game, while a composition from famed composer Yuzo Koshiro will accompany Himukai's enemy.
Split into simpler sentences: Character designer Yuji Himukai has done artwork for a formidable enemy that the cast will end up fighting at some point in the game. A composition from famed composer Yuzo Koshiro will accompany Himukai's enemy.