@Kiriha but cant he just position the circle above mc instead and shoot down?
Also, why wait to reduce the city to ash until after the "Hero" is dead...
also, your second sentence doesn't really make sense
that, or they didn't study physics :D
or perhaps they broke trough absolute zero.
Even the flash freeze in the movie "The Day After Tomorrow": https://www.youtube.com/watch?v=MjMmDsycHC0
was only -100 degrees Celsius