>>56542917I'm going to go out on a limb and say it probably wasn't even a consideration, because of the absurdity and sheer challenge involved with creating something like that in /secret/.
I mean, really. "You're telling me that they build an entire god damn castle underground, right next to the league? Yeah, right, the supplies alone would've made it incredibly obvious! We would've seen that! And where would the rock have gone?"