As a mage, you are one of a select group that can conjure a portal to transport you back to this very place. I can teach you if you are ready.
And remember that you can always use the crystal behind me to teleport down to the ruins beneath Dalaran in Crystalsong Forest.
I do not believe you possess the mental acuity to grasp the nature of portal magic.
However, you can use the crystal behind me to teleport to the ruins below Dalaran in Crystalsong Forest.