Something that features heavily in sources is Telluric Energy that collects around Telluric faults. This energy relates to the way that magical power converges at certain points on Mundus. This power can often be harnessed through things like ziggerats or obelisks built over rifts or convergences that can allow creatures from other dimensions through into Mundus. Throughout history, several figures have used these to do things like open portals to other planes. Using this magic often requires massive sacrifice of human life. There are also references to the need to use Veldrin crystals to open these portals. A list of known Telluric points of power is not readily available, but there are references to these areas as they have been the centre of conflict over time.
Syrn When the First Ones wanted to create peace, they needed a place for it to grow. They created the First City for the first race to be born. The race of dark elves lived in Syrn. The development was great, it covered our world. Then the war for magic began. The dark elves fought to the death. For several generations, Syrn remained deserted. The Portals The dark elves were at war for dominance of magic. The First Ones were worried that their children would die. They created a portal in the First City. The dark elves could use it to go to the surface of the world. The portal of the First City opens with the Book of Uskhena Gadah Gos. The elves could now move between the First City and the surface. They could survive the war. Other ways to create these portals were developed. The waudit can be summoned with certain centers. The portal of the First City allows one to move between worlds Asthena Gadah Sos the First Ones created the portals of our world. With them, the dark elves could move between the First City and the surface of the world. The grand portal could also be used to travel among the stars. When the dark elves went to live on the surface, the First Ones closed the portals. The war among the dark elves ceased. The First Ones gave a Book to the dark elves. It can be used to open the portals again. Orapal Camas When the dark elves were at peace, the Book was there. When the dark elves discovered the magic of Orapal Camas, the book was there. When the dark elves fought for the magic, the book was there. When the elves dark left Syrn, the Book was there. The history of this race is in this book. The Book was closed when the elves dark came to the surface. The Telluric Zones of the dark elves were fighting for magic, the First Ones created portals to send the dark elves to the surface. The dark elves could not live on the surface. The First Ones created large magic zones. In these zones, the dark elves changed to become something different. The mortal races were born. In these zones, the races mortals created Gods. The First Ones took back the magic of these zones after the creation of the Gods. The Guardians were First Ones. They lived in another world in the stars. They created several worlds because they wanted to learn from others entities. They created a first race and waited until it became mortal. They learned from our actions. When one of them left his original world because he wanted to dominate, they followed him. They wanted to stop him. The Prophets When the First Ones left the world to to pursue their brother, they left us a way to lead our world while they were gone. Darkness spoke to his brothers in the pleasure of war. The five first ones could not prevent it in time, and the Council ordered that the world would be tested. Great calamities fell on our world and we must survive or the Darkness will exercise its right to rule the world. May the Prophets help us.
Armies are gathered in Tolternoth for the control of elven monoliths allowing them to operate portals. The horde demonstrates its efficiency and mobility during a first engagement where it protects a monolith. However, during the second engagement, a bad plan from the general staff (who thought of throwing their troops into an abyss?) decimated the allied army. This does not prevent Glahul from running away to save the precious Veldrin crystals which hold power over the portals.