Some things are incapable of change, yes...but eventually change will come to even those things. Unfortunately, often this has the tendency to destroy what refuses to change...

However, even if that place were still there; there's no point of me returning to it since my business there is in a sense concluded and returning would likely only lead to further unpleasantness.

[In as much as he would like to take Riku out of the picture, he doesn't exactly trust Axel enough to attempt returning and seeking the redhead's aid in taking the boy out. Not when it's entirely possible the second fight might see him destroyed. He has no desire to vanish just yet from this incomplete existence.]