Battle Through the Heavens Season 5 Episode 4
After three years of not seeing each other, Xiao Yan finally met Xun'er at the Jia Nan Academy. After that, they became closer and set up the Stone Gate (Pan Gate).
In order to continuously increase his strength and exact his revenge on the Misty Cloud Sect, he risked continuously going deeper into the Qi Refining Pagoda to devour the Fallen Heart Flame.