The Weakest Necromancer? Synthesize the Immortal Bone Dragon at the Beginning

[Join the Army + No Academy Flow + Unlimited Synthesis of Necromancer] Traveling through the world of universal job transfer, Wu Tian became the adopted son of Lin's chaebol. The true young master returned, and Wu Tian was not only deprived of everything, but was also plotted by his family on the day of his job change, and awakened the weakest profession that no one can play - the necromancer! Just because the undead summons are easily instigated by monsters from the abyss to rebel, the necromancer was reduced to a "reservist for rape", and Wu Tian was directly sent to the battlefield as cannon fodder! However, on the death row car bound for the border, Wu Tian awakened [Undead Unlimited Synthesis System]! Not only is the synthesis unlimited, but all undead souls are bound to each other and are absolutely loyal! Two skeletons, combined into [Elite Bone Warrior]! Ten thousand skeletons are used to synthesize the [Immortal Bone Dragon]! When the young master of the Lin family was still under the protection of his family, he was complacent about reaching level 20. Wu Tian is already sitting on the Bone Throne, with hundreds of billions of mythical undead armies behind him, making the entire abyss tremble under the iron hoof!