The old man laughed out loud, "First of all there isn't six or seven dimensions there are thousand of thousands of them. Now come with me"  he walked over about ten minutes until the entrance of a cave was seen. There were five gates each one with a symbol over it, the gates looked more and more like swirling pools of water. "Now... remember this each one of those portals have portals of their own so it will be very easy to get lost. Each one of these portals have something to offer but first I think it is wise for you to learn control over your energies so..." he walked over to one portal and pointed at it, "Whenever you are ready feel free to jump in".