After such a long time, Gloria fixed the teleportation array connecting the shadow plane, opening a portal that could allow free movement through the channel at any time. The teleport gate was full of magic alert traps, which made it difficult for even legendary professions to sneak in quietly. Exploration of the shadow plane was very time-consuming because neither Soran nor Gloria could take down the wizard tower. Even if they joined forces, they might not be able to defeat the first level guards of the wizard tower with three diamond golems and one Construct. Also, the powerful tower spirit that controls the wizard tower.
Before Soran left, there was still one thing to prepare.
That was to memorize the level 5 spell "teleportation." Gloria had set up a teleportation array in Mordor city. As long as Soran learned teleportation, he would be able to come back from thousands of miles away.
This was the best cheat of a spellcaster!