User blog comment:Zack Tan/Volume 7 Intermission/@comment-26968629-20150908025908/@comment-3536096-20150908062742

that begs another question, why does he not destroy the weapon? though it is quite possible he doesn't know the destruction of the guild weapon destroyes the guild, it's also possible he might not be capable of destroying it, either that or he hopes to be able to use it at some point or at least replicate it.