Read it through once

-- 346. darkling: an old adverbial form; in the dark. See ‘Paradise Lost’, III. 39. “O, wilt thou darkling leave me?” Sh’s ‘M. N. D.’, II. 2. 86; “So, out went the candle, and we were left darkling.” ‘Lear’, I. 4. 237; also ‘A. and C.’, IV. 15. 10.