I traveled through hundreds of worlds at once

Speaking of breathing techniques, Yi Hui has mastered at least two of them.

One is the ripple breathing technique in the JOJO world, and the other is the inner breathing technique in the Phoenix Alliance in the King of Fighters world.

The ripple breathing technique is very easy to learn. Once you get started, you can quickly condense the life energy in your body and turn it into ripples with a frequency similar to the sun.

But it’s a pity that Yi Hui’s current body is also a ghost. Before becoming an ultimate creature and overcoming the sun, actively practicing the ripple breathing technique is suicide!

The inner breathing technique that strengthens one’s five internal organs and improves physical fitness is most similar to the breathing technique in the Demon Slayer world. Both are