User blog comment:Jopjopjop/Volume 18 Spoilers/@comment-165.161.9.27-20150127145923/@comment-16281343-20150127150638

Can confirm this.

Minor corrections: ~It wasn't the blade that poisoned Touji, it was a fang of one of YnO's head that flew after it was destroyed. ~On who to save part, it is Rias.

~I still believe Zekram is the right word as a reference to the Pokemon Zekrom.