[5, 7, 8] at háða hríð morðskýja* ‘after the storm of killing-clouds [SHIELDS > BATTLE] [was] waged’: Háða is f. acc. sg. p. p. from heyja ‘to perform, hold, wage’, hence lit. ‘after the waged battle’. For the construction of at + acc., cf. LP: 1. at B.