1. Go to The level uprising.

2. Go through the dark like cave.

3. After the room past the cave kill all the enemies in the room and go to the bottom floor.

4. you should find a normal orange grunt that wont move and scared.

5. Go up to him.

He says 'Please no hurt, me like elites, brute stinky bad bad. me stay here and make sure no brutes come behind. he. he.

Note: some times he may not talk for me might happen to you. dont know why.