这部宏大壮阔的奇幻剧以电玩游戏DOTA2宇宙为本，主角是赫赫有名的龙骑士达维安，他致力扫荡全世界的恶势力。过程中，他遇上了渊源悠久的强大上古龙族，并结识有着秘密任务的米拉娜公主，从而卷入远超乎他想像的重大事件。
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