Jiang Chen entered completely into the Doctrine Heart and Buddhist Bones states by depending upon the progress he had made in the Supreme Enlightenment Buddhist Scripture. However, the main reason he was able to enter these states was because of what the Creation Divine Tree had stated. His boundless potential had been unearthed and his Buddhist Power had grown by leaps and bounds.
The Tathagata Buddhist Robe was vastly stronger than Divine Armor, and it possessed a special power able to restrain Blood Emperors. Moreover, it wasn't limited to just this alone, since he had a Doctrine Heart and Buddhist Bones. The Du Tian Divine Lightning was grasped by Jiang Chen, and he turned it into a lightning spear. The martial and Buddhist paths dual cultivation was behind Jiang Chen's current achievements.