Stone Dalek

The Stone Dalek was one of The Progenitor Daleks but is unknown what Progenitor dalek it is.

History
The Stone Dalek appeared in The Big Bang. It was activated after The Pandorica opened, the light activated him but the stone didnt fall off. Its power wasnt fully restored so it couldnt shoot, eventually, he got his power restored enough to shoot his weapon. It was one of the daleks to shoot the Doctor. It was also the first dalek to say "Mercy!" Soon after that he was erased from time.