-1 for a few reasons. I don't see it fitting into the lore at all and I don't see a need. It's simple enough to teleport to the city and run the building. Just an extra pact wasting space in the bag. I agree with most of what Bittty said.
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Meagy :)
Spirit of Atys
High Officer of Spiritus Artificis
Never argue with an idiot; they will just drag you down to their level, and beat you with experience.