https://youtu.be/YxSl7yeHT38?si=BKHUjTesprjz-57g

Azazel remained alive by existing in a spiritual form within Zafina's arm after the events of Tekken 6 and during Tekken 7. He returned in his physical form briefly in Tekken 8 to serve as the catalyst for Kazuya Mishima's transformation into a more powerful Devil Kazuya.