Solve This Riddle For 750TC.

Hey, Kradel here with another challenge for you! This time you must simply solve this riddle and tell me how you got the answer you got. Don't be afraid to try for your answer may be correct. This riddle is open to every belt. It was made by me so you won't be able to find it on the internet.

If you were to kill the rest. <-(Remove letters)
From anger besides the beginning. <-(If you removed all the letters besides A)
You would take your quest again. <-(A,B,C,D etc...)
But you will not reach the end. <-(You will not go to the end of the alphabet)
For the 26th is not your answer. <-(The 26th letter isn't your answer)
It's only 11 from the beginning. <-(Your answer is the 11th letter)
You wouldn't know me by me without it. <-(I wouldn't be known as Kradel)
I would be 1 short from completion. <-(I would be one short for letters)
Its your task to find out, what you're looking for. <-(What is the letter)

The Prize has been given to Kyure as requested my Skylarrr.

is the answer rainbows?

Is the answer the letter, "K"?

You must explain how you got your answers guys. I can only say you win if you explain your answer.

K, due to it being the 11th letter of the alphabet, and we know you by K radel, it's one letter short of your name. Send prize to kyure, he basically worked it out before me.