Answer:
A hole leading in, a hole leading out, we connect to a cavern that is slimy all throughout. What are we?
It's anything but amusing when this body part gets hit.
It flies when it's on and floats coming off.
Feed me and I live, give me drink and I die.
I follow the orders of only two. I respect the work of only two. I am in constant battles with many, Though one surpassed them all. With forces joined, We created hell, Until our mutual enemy fell. Who am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?