A Month

Rui woke up groggy and disoriented after what felt like an eternity.

His vision was blurry while his mind was a mess.

For more than just a few moments, he was lost.

Who was he?

Where was he?

Why was he here?

What happened?

It wasn't until he got up, easing himself onto the bed in his medical ward, that it finally came back.

"Kane…" he murmured lightly as his eyes lit up with delight. "Heh, he broke through."

Rui was deeply delighted at his friend's breakthrough, not to mention the Gatekeeper's breakthrough as well.

Kane had demonstrated an extraordinary level of power when he broke through, reaching a higher starting point within the Master Realm than most Masters. 

He also defeated Rui in a duel by using his greatest trump card when Rui had made the mistake of lowering his guard down. He had made an enormous amount of progress in the manifold after spending seven years in it.