I attacked the demon king without restraint, swinging my sword from all directions, which he dodged, and then used his swing to retaliate.
Clang! Clang! Clang! Clang! Clang!
The loud sound was always something that people could hear here.
"You've fought many times, well... if you want to fight, then I'll take it seriously...Over the hill."
The sword that the demon king used was enveloped in burning red flames, and I also did the same until the moment of collision; it produced a powerful explosion of fire.
We pushed against each other before sending another slash. The demon lord sent a sideways slash, and I blocked it while turning it the other way until sparks flew into the air. I sent a thrust to aim for the heart, which was well held by the back of his sword.
"You troublesome boy... argh."
I was simultaneously thrown into the sky as the demon king shot a giant fireball towards me. I used protective magic; even so, the impact could still make me dive to the ground.