They didn't start giving me rat poison right away, it was gradual training so my body get use to them. Like my other trainings, my family had generations to perfect the process.
[It's also funny to note the Zoldycks can live really long lives to boot. Killua's great great grandpa is still alive and assassinating like a champ.]
[Video]
[It's also funny to note the Zoldycks can live really long lives to boot. Killua's great great grandpa is still alive and assassinating like a champ.]
Straight rat poison is nasty as hell by the way.