Han Sen had long been curious about Destiny's Tower, and that was because this stone Destiny's Tower was just like the metal Destiny's Tower inside his Sea of Soul. Aside from the towers being made of different materials—one having been made of stone and other having been made of metal—there was no difference.
Four deified elites used their powers to force open the gate to Destiny's Tower. Only one person could go in while the gate was being held up. Once he received the signal, Han Sen immediately ran into the tower.
Deng!
Han Sen had just entered the tower when the door slammed shut behind him.
Because Han Sen knew the process, though, he wasn't afraid.
The four deified elites had to use formation powers just to get the door open, and it could only be kept open for a single second. It simply wasn't feasible to keep it open any longer than that.