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And they came, using the special ability of the Mithril Drakes, we lured the last two thousand or so monsters here, they came through a very narrow passage, making it easy for us to kill them as they came constantly. I ended activating not only Blood King's Throne again, but also Call of the Night, which worked essentially very similar, requiring a sacrifice of a large quantity of Dark attribute Ki and Mana to conjure an endless domain of darkness and shadows, which I could manipulate without limits.
With both of these activated, I blocked the path for the Mithril Dragonoids, humanoid-like dragons of over seven to twelve meters of height that wielded metallic weapons and armor, and the Three-Headed Venomous Viper Drakes, deadly A+++ Rank Dragons the Mithril Dragonoids tamed and used as powerful mounts.