How many calories does killua eat a day (hunterxhunter)

More than 2,500

Explanation:

This question is referring to the anime Hunter x Hunter with the main character called Killua Zoldyck. He has 5'2 Height and 99,3 lbs weight.

An ideal count of calories that person must take is depending on metabolism, weight, age, and level of physical activity. The recommended daily intake is about 2000,2500 calories.

Since we are here talking about an anime hero who has great level of physical activity we can say that his intake is requiring more than average intake of calories which is more than 2,500.