We had something in the basement of our house. Whatever it was, it didn't have a body that I could see. It did however speak in a guttural sounding robotic language as if it was being played over an old radio, but it spoke a language I couldn't understand.
Whatever it was, it was responsive to me, though I'm wondering if it could tell how scared I sounded as I called out to it?
I think I did provoke its anger, again out of fear and not knowing what I was dealing with. At one point I heard it directly below me, while I was in the kitchen and it was in a closet in the basement downstairs. I stomped my foot a couple times to try to intimidate it... and in that same voice it began to hiss and scream...it was demoralizing. It took the fight right out of you.
Later I began researching on what to do, found very slightly similar stories but nothing even close to the same. Whatever it was burning the sage worked.