Flashfreeze Heatwave

Great Freezing Heatwave (大凍結熱波) is a Super Move performed by Shoto Todoroki using his Half-Cold Half-Hot Quirk.

Description
By chilling the air using his ice and then heating it in an instant through his fire, Shoto can release a huge super-heated blast of flame that devastates anything on its path.

He uses a small-scale version in Chapter 219.