Joji let the first rush of triumph burn off before he trusted his own thoughts again. Hype felt good, but it made men sloppy.
He paced the length of the room, mind working the problem from every angle.
He had thought he could summon the dungeon in an instant, a blink and a door.
It was not like that. It was channeling. A spell that took at least five minutes if he did it clean.
Using it as an escape route meant he needed time to prepare.
Worse, he could not close it from the inside out. If someone found the opening while he was inside, he would be trapped in a box of his own making.
He sat on the granite floor and forced himself to ask the question the right way.
"Sir System. Enlighten me. How much does dungeon creation consume?"
{From your second attempt, it would seem the working consumed ten points each of Aura, Mana, and Stamina. That is why you were left with that hollowed, bottomed-out sensation.}
