Talk:School Raze - Part 2/@comment-25003213-20180910003014/@comment-4531340-20180911121308

Because the protective powers the Elements conferred to it had worn off after 1,000 years of them being gone - that was the whole thing of the season 4 premiere.

And sure, the Elements are taken off during the season 7 finale, but obviously, sometime after that, they're put back, as The Mean 6 confirms.