Avatar the Last Airbender/ Legend of Korra. Aww, I love Iroh! I always forget though how much he was hurting by losing his son and how it probably helped him to look out for Zuko. We always think that Zuko needed Iroh, but maybe Iroh needed Zuko too .
Basic knowledge about your chakras and how to open them. Text from "Avatar - the last airbender"