Jake put everything on hold else to master that power; while his mana pool wasn't the largest, he certainly could use that technique and the dark flames to create something truly beyond any world. In his former life, he managed to defeat many enemies with the power to control mana like that, and with the dark flames, perhaps he would be able to do even more.
"I have found a world that fits your descriptions," Virgilius said. "I suspect that you would be able to train more efficiently in such an environment. The creatures there are fairly strong, but they aren't fighting anyone."
"What are they?" Jake asked.
"Trolls," Virgilius replied. "It seems that you have visited this planet before based on what you have told me."
"That planet… I have a grudge against them, but I don't have time to waste with them," Jake said. "Move it to the opposite side of that world."