For Huo Yuhao, learning to rapidly construct the Gate of the Undead without physical materials was essential. Once he thoroughly mastered spatial magic, opening a tiny spatial rift would allow him to use this Semi-plane just like a storage space—immensely convenient. Of course, before he successfully mastered large-scale spatial teleportation—meaning the summoning of the undead legion that Electrolux had just mentioned—bringing forth undead creatures to fight still required walking through the Gate of the Undead.
Living beings carried massive energy reactions, making spatial rifts unstable and incapable of bearing the energy transfer of ordinary living entities. Undead creatures, however, were more than just ordinary beings. Because their flames of the undead carried vast amounts of soul power, their accumulated energy often exceeded that of a normal, living human. This was why Electrolux forced Huo Yuhao to practice spatial magic over and over again, demanding that he achieve instantaneous casting. For a necromancer, or rather, a summoner, this was truly the foundational skill of their trade. If one could instantly flood the surrounding area with a sea of undead to overwhelm enemies from all sides, then no matter how many assassins and warriors came, they would still die easily. Other mages at least had instant magical shields, lightning spells, and fire walls to protect themselves, but summoners like necromancers who couldn't open doors and summon help instantly would simp…
Chapter 439