User blog comment:B214/Question and Answers 6/@comment-2607:FB90:60E2:C077:470C:D766:78BC:95CF-20181110223404/@comment-1359322-20181111010330

It probably has some other features not yet shown or mention. After all, it's one of the prototype to the next gen Holy Sword. We already know what Durandal IV and what it's capable of.