Who teach Killua his Nen?
What is Killua's strongest feat?
What kind of element he is used to?
Who is his bestfriend among the hunters?
How can Killua change the shape of his eyes?
What is Killua's favorite food?
Who among his siblings he is closed to?
Killua's eye color
What is the last name of Killua?
What is the color of the skateboard he often holds?
What is the name of Killua's father?
What type of clothing does he usually wears?
What is the relation of Killua and Illumi?
When does Killua's body change?
What type of Nen does he posess?
How many siblings does Killua have?