User blog comment:B214/Volume 23 discussion blog/@comment-1884090-20170411154430/@comment-31137559-20170412115509

Fusing all the demonic swords is too much. They are already finished products. It really sounds no different from Ex-Durandal. He just needs to master the swords separately. He can boost his techniques by using the abilities of those four demonic swords along with Gram.