Boss Invasion: Max-Level Breathing Technique from the Start

After transmigrating to a parallel world, he finds himself facing a disaster with no end in sight. Fortunately, he unlocks an infinite number of instances.

Before the bosses invaded the Demon Slayer world, Ye Chuan had already mastered the Breathing Techniques there and returned at the highest level.

This is only the beginning.

When the Otsutsuki Clan from the Naruto world descends upon this realm, intent on purging it and planting a new Divine Tree...

When the Emperor of the Universe from the Dragon Ball world arrives, Ye Chuan can already transform into a Super Saiyan...

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.