User blog comment:Ash9876/World Reconstruction is a bit far off/@comment-30807545-20160615022226/@comment-3030647-20160615022924

Firstly, even if we don't know the genuine effects, that scale is off-the-charts.

Likewise, we can infer from Zeref's reaction that this isn't something one can easily pull off.

In addition, being taught exclusively by Zeref is reason enough for this to be banned.