Quote Originally Posted by Kuwagami View Post
With that in mind, please explain me why Coil has a story behind it ? If it's not for the story, but only to be challenging, it should have no story behind it by taking your own words.

Or not be challenging at all.
Side quests have some kind of reason to why you are there, no? That's why the hardest bosses aren't in the main story. It's so you can get most of the picture without being stuck on something unable to see the end.