Why Ras's master('s) are the Hands of time

So here's my theory of why I think Ras's master are the time twins. When Wu came out of the time vortex, he became younger, so what is stopping the time twins from becoming stronger? maybe they even merged into one. Ras's master can teleport entire buildings and people, and most people think the time twins can't do that, but the time twins can definitely teleport things. Just think about it, if they have the power to reverse time, and they go back 5 years, then they wouldn't be on earth, they...