User blog comment:Vorred/Patriots - Feedback Blog/@comment-5918010-20130805003501/@comment-5918010-20130805173611

Since Khyae is a Toa of Fire, her powers are more effective on the Undead, and I saw at one point Pirai's page listing his weapon as an energized flamethrower. (Which would make sense since he's disguised as a Toa of Fire)