Answer:
What word has kst in the middle, in the beginning, and at the end?
Ripped from my mother's womb. Beaten and burned, I become a blood thirsty killer.
Neither bought nor sold but more valuable than gold. It is built but not by hand. What is it?
Always wax, yet always wane: I melt, succumbed to the flame. Lighting darkness, with fate unblest, I soon devolve to shapeless mess.
I am the red tongue of the earth, that buries cities.
What never gets any wetter no matter how hard it rains?