Very appropriate number this week for the crossword as it is "satanic" themed:
10/11aBiblical sign of evil (4,2,3,5) ??R?,OF THE ????T
13a Idol using drug, we hear (7) H?????E
14a An embodiment of evil associated with the number 666 (10) ????C?R?S?
8d Male singing voice (8) ?????O?E