Knock Knock

I can see, although I do not have eyes. Making me restless because I shall not blink.

I can hear your screams, although I do not have ears. Making me dammed for what in hell I had heed.

I can curse you, although I do not have mouth. Making me fearsome because of my deeds.

I can DISAPPEAR you, although I don't have form.  Making me the next ruler of your realm.///

Knock Knock Knock Knock Brush Knock Brush Knock

¿I am nexus the in What