Alluka has been locked up in a room by her family because of the dangerous powers she has. Though, it didn't seem to bother her much. Alluka is always sweet and nice. There is a constant smile on her face that sometimes gets interrupted by adorable pouting. Alluka loves especially her older brother Killua. It is different with the other brothers, she doesn't seem to interact with them much. Alluka is not able to feel fear or sadness. She is quite emotionless. Alluka never stutters.