"Cowardice is a surprisingly useful skill," Tyzias says, looking at Killua from the reflection of her goggles. Just a few more moments... she needed to stall for time... "I'm also a pretty fuckin' scrappy fighter if I'm backed into a corner. Enough so your brother kept on fucking me up real bad instead of outright killing me, at least. Didn't ever manage to land a hit, though." Time to gauge his reaction to bringing up his family. That would give Tyzias more information as to how much threat this guy actually posed.