MTL - Ancient Thunder Dragon Spell

The starry sky was resplendent, filled with tens of thousands of Tribes! During the Great War of the Immortal World, when the race of the God Realm was annihilated by the sixteen Immortals’ Alliance, one of their clansmen accidentally fell into a Purgatory of three thousand years under the Immortal World, lucky enough to survive … A few years later, in a mysterious hidden family in the Purgatory World, a crippled youth who had been abandoned by his family had accidentally awakened a dragon vein … - Description from novelupdates