It screamed.
It didn't die, it screamed. It screamed as it was crushed by the blocks, into a flat disc, it screamed as it heart was burnt, it screamed while it was stabbed.
It just screamed.
It was like the scream of a thousand innocent children, and the scream of one monster, watching over them.
It screamed, because that was all it could manage.
The tentacles quickly form into a hard shell around him, stronger than any material known to man. It would probobly take a few nuclear blasts to take it out.
And, through it, they could hear it's muffled screams... Any atempt to hurt it would be countered, knocked away, and/or thrown as far away from civilized life as possible... Preferably, into space.
OoC: I'ts late, I'm going to bed...