A hundred strands of light writhed like serpents in front of Wu Qi, coming in all kinds of colors: red, orange, yellow, green, and so on. The thinnest one were several times thinner than a hair, and the thickest was as thick as a bucket; the shortest was about three feet long, and the longest was about a thousand feet long. Each of them emitted a powerful and mysterious energy of blood, and were beating like hearts.