atsuko_kagari

It's job done and magic returned to the world, the Shiny Rod disintegrates and returns to the skies and becomes the Big Dipper once again. The furtherest star in the Big Dipper, Dubhe, is 124 lightyears from the Earth (or 1.173e+15km). Timeframe is 9 seconds. T = 1.173e+15km/9s =...

The Volcanic Ray spell melts the ground and causes lava to burst up. Continental crust ranges from 30km to 50km, which averages out at 40km (40,000m). First off, let's find the speed. 2.29 seconds. We'll split that in half for the time for the heat ray to reach below the crust and for the lava...

During the broom race, Amanda uses the Shooting Star to try and win, but Akko boards it and it flies around the world, including emerging from the water with enough force to create a colossal pillar of water that reaches far above cloud level. We also see that the broom race around Luna Nova...

The time loop that Akko and her friends get caught in causes multiple stars to glow brighter than usual. If it was just luminosity alone, that'd be easy, but we're talking about an increase in pre-exisiting luminous energy. I'll be looking at Taccocat's Percy Jackson Artemis calc for reference...