On earth, he would use sophisticated equipment to achieve the means to condense and purify the blood, but in this world, the heart was used as the medium instead. One would manipulate the blood vessels in the heart and since there were millions of blood vessels in the heart, each method would be different. Some methods used the blood vessels to form shapes of palaces, some formed lotus flowers, armors, weapons, and other strange variations. The blood essence energy would then wash over these forms and make it stronger. But the end goal was the same principle, the more condensed the blood shape was, the more powerful one would be.