My power certainly isn't unlimited, Miss Altava; I have to adhere to the rules and limitations of Equivalent Exchange, as all alchemists do. But if I had to estimate, based on the materials I would have to work with and the way the ground here reacted to that...well. I could probably manage...

[He glances back at the city behind them, studying it.]

...I would estimate that about a block of that city would be gone in one strike. Give or take.