User blog comment:Varzan Deodinm Beldinm/Yang enters DEATH BATTLE (teaser)/@comment-26512661-20151007143420/@comment-25555436-20151014232248

They can't use it however. If said info is a "new ability" Yang uses in Vol.3, it doesn't count, since it hasn't been released yet and actually comes after the DB. As such, Yang hasn't acquired it yet. Using it would be an Ass Pull because at the time, she didn't have it.