Answer:
The more holes you cover the lower it goes.
There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.
What is that you will break everytime you name it?
Useful tool for who in darkness dwell. Within you, corrupting like a deadly spell.
I do not breathe, but I run and jump. I do not eat, but I swim and stretch. I do not drink, but I sleep and stand. I do not think, but I grow and play. I do not see, but you see me everyday.
I start with T end with T and within me is T.