[8] gullu ‘resounded’: The pl. verb form confirms that svell ‘icicles’, and hence the sword-kenning, is pl. Konráð Gíslason (1892, 70) explains this pl. as implying that Haraldr’s habitual behaviour in battle is being described, rather than his conduct in any specific battle; or perhaps it was considered a distinction for a leader to use (and break?) a series of swords.