Every day, Ken would wake up with a dream in which he saw his death in the time wars. Even though he was tired of this dream, he wanted to go there to pay for the betrayal of his then lover and best friend.
However, with their current powers, this was impossible. There was only one way to get to that time: to become the Master of Time. There were three stages to becoming a Time Master, and the first was mastering time abilities.
Ken could only speed up or slow down time at a location he determined, but this was not enough. To train his powers, he needed to find a place in Legends where time passes very slowly.
The Shadow Army scans the world, searching the entire planet, but they cannot find it. Eventually, Ken leads his Army into space and finds a planet with time monks.
He goes there as a shadow and as soon as he lands on the planet, he scares everyone with his shadow aura. The most powerful man on the planet walks up to Ken and asks, "What do you want from us, sir?" he asks.
Ken says, "I'm looking for the place in the legends where time passes very slowly." The most powerful person on the planet says, "Only chosen people can enter there. We will escort you to the door and if he accepts you, you can pass."
Ken barely gets close to the room and can't get through the door. It looked like an invisible barrier. Ken enters by breaking the barrier using his space-cutting sword.
It had taken Ken 20 years to master his time powers and he had aged, but only 20 hours had passed outside. Since Ken has mastered his time powers, he shoots a time beam into his own body, rejuvenating the cells in his body and turning into his 20-year-old self.
He had completed the first stage of becoming a Time Lord and now it was time to move on to the second stage.