Weapons with [SUSTAINED HITS X] in their profile are known as Sustained Hits weapons. Each time an attack is made with such a weapon, if a Critical Hit is rolled, that attack scores a number of additional hits on the target as denoted by ‘x’
GENESTEALER CULTS model only. Weapons equipped by models in the bearer’s unit have the [SUSTAINED HITS 1] ability while targeting an enemy unit within 6" of one or more friendly TYRANIDS units.