3: Valuable coat of arms positioned (5)
6: Subject to constant cold (5)
8: Retro eatery has nothing covered in grease (5)
9: Stop in a tiny settlement in ancient times (9)
10: I'd returned broken cover part, officially (7)
11: Bad example or examples (7)
13: One who regrets having left leader (5)
15: Iridescent stone contains quirk having to do with vision (7)
17: Colorful spectrum to distort brain - ow! (7)
18: Me, in bed with heavenly body? (5)
20: Staying awfully dark (7)
22: Amplification device for 'Murder, a Novel' (7)
23: Dowdiest rear in Mexican party, almost (9)
25: Oddly, derros wont die in water! (5)
26: Drive back pariah from the East (5)
27: Cancel Times and Enquirer initially (5)