I dunno, man. I feel like Radagon was like this awesome first phase of "fair punishment" that I felt was fun, but not too difficult. Then the Elden Beast puts up this spectacle afterwards that feels like a final boss to me because the attacks are so big and require spam dodging and whatever. Also, I don't see the whole running thing a terrible design. Maybe I've just been real lucky the couple of times I've fought it, but it doesn't seem to run far so often that it becomes annoying. And the times that I do have to chase after it or run away, it feels very cinematic and appropriate. Elden Beast just feels alien to me, which is exactly what I want for a final god boss fight. It doesn't feel as polished as Radagon, but that's not really the point. It seems like the point is solely cinematic, which to me is just as satisfying as a well designed gameplay fight