RPG I: The Necromancer's Revenge

I tear off the part of the cloak to which it is attached, kick it with my foot, jump back, and run further.

The rat increases in size by another 2 times and runs after you. You managed to break away, you ran for a long time, and finally you stopped and realized that the tunnels had changed, and you saw a door leading to the catacombs. What do you do?