1: Essential part of Cayce's power! (3)
2: Number One in facetiousness (3)
3: Fork prong holds passion fruit (9)
4: Is South about to evacuate? Just the opposite! (5)
5: Reject the upset outcast (5)
8: Smithys workplace agreement not originally despicable, not totally! (5)
9: Foolish, turning in that penicillin (5)
12: Its a firm, small lettuce (3)
13: Road without a pole (4)