After Tie Shikong Xiaxia and others sacrificed themselves to save time and space, the Demon Lord unexpectedly resurrected. In order to save the common people, Xiu decided to lead Dongcheng Guard to the Thunder Spacetime to find Xia Tian's avatar and train him to be the strongest power walker in the Thunder Time and Space - the Ultimate Sky Thunder Walker. Together with the Ultimate Iron Elemental Walker and several high-level power walkers, he went to the Iron Time Space to play the mysterious music to resurrect Xia Tian and others and jointly fight Demon Lord Diablo. In the Thunder Time and Space of 2060, people have already entered an advanced stage. They have the technology of human genetic recombination and the integration of man and machine, but they have also attracted the covetousness of the demon world. This makes Yan Lun, the leader of Thunder Time and Space, very distressed. Until Xiu appears and tells the leader of Thunder Time and Space, a new story will unfold from Tianlei Academy... Xia Tian has a mysterious brother in Copper Time and Space. Just after the Iron Time and Space War, he comes back to help Iron Time and Space Xiong and others find Xia Tian...