I traveled through hundreds of worlds at once

The Mirror Knight used the shining sword of the Red World and the saber in Yihui's hand as a medium to open the channel to the mirror world.

The seven bullets and sabers shot out were directly sucked into the mirror world after touching the channel, creating an effect similar to the Kamui space of Obito in Naruto.

"Substitute? Mirror Knight" Altair stared at the Mirror Knight behind Yihui and chewed the name carefully.

Through the Mirror Knight's two short moves and the name Yihui told her, she has roughly deduced the ability of the Mirror Knight, which is probably to use the mirror as a medium to open a different space.

Although the ability sounds very