How heartbreaking is the ending of Sugar Baby in "A Thousand Bones of Flowers"?

Hua Qiangu was imprisoned at the bottom of Changliu Sea for sixteen years, and Sugar Baby wanted to let Mother Bones go. After Qing Shui knew about it, Hua Qiangu told Ni Mantian and Luo Shiyi out of jealousy that Tangbao had a short training time, so naturally he couldn't defeat Nimantian. Luo Shiyi blocked Nimantian and was afraid that Tangbao would be injured, but he refused to help Tangbao. . In the end, Ni Mantian's hatred burst out and he struck out with a fierce palm. Before anyone could stop him, Tangbao fell to Hua Qiangu's side, his soul flew away, and he disappeared. Tangbao's death forced Hua Qiangu to become a demon god.