At the intersection of the world, meet people who seem to have known each other. Welcome to "Sen Luo".  At 13:46 on April 1, 1116 in the Senra calendar, A huge void appeared in the sky above the northern part of Hailin City, a broken world fell down, and the worlds converged here one after another... Soon after, crystals with unknown energy precipitated from the ruins, and people were forced to enter a new era——a world with The era of "White Thorn Technology" where unknown energies coexist. "Ash Echoes" is a mobile real-time strategy RPG. Here, as the top executive of "White Thorn Technology", you will meet many "visitors from other worlds", join hands to resist unprecedented risks, and explore the cause of the turmoil.