Siege of Alien Beasts

[Your character is an angel. It has been 18 years since Lin Xiaolu came to this world, and he finally confirmed the fact that he is a time traveler. Beauty, how can you take out a spear from your skirt? Beauty, don't draw the knife so quickly. What if you hurt the little rabbit? Several besieged cities, S, A, B, C, more than five hundred heroes, [power sequence], one person with different roles and identities. With millions of strange beasts outside the siege, the battle for survival is slowly beginning...