User blog comment:B214/Volume 23 discussion blog/@comment-82.60.161.59-20170401095545/@comment-1359322-20170401102909

Yeah it's probably Galantine II.

Judging from Durandal IV, they're probably trying to add some science or technology into Holy Swords now. Holy Swords are mostly magic and alchemy, so i suppose science would be a great way to help improve them.