Be-because
there is no way I could break it!mumble mumble*Change of plansuhmmmYes! Let's stop trying to break out!That can't be. Well, okay, I see what's going on.Why?I've made up my mindRight! If you want to leave the dungeon, why don't we try to ask your big sister nicely! Maybe...I miscalculated. What to do now then. Must I just give up on this?I'm just a librarian! There is just no possible way I can break the barrier. No way—it's impossible!