It is a method of improving his coordination and strength. It is also an extraordinarily potent grappling technique which has diabolical muscle splitting bone displacing techniques. This technique when combined with spirit power, can also manipulate objects at a distance.
Bloodthirst Effect - boost physical strength up to fifty percent and soul power by twenty. Power-type soul masters or soul masters with vigorous blood essence will have their physical strength boosted even more.
Bloodthirst is supposed to ignite one’s soul power and essence to draw forth a burst of strength, but the buns allow this to happen without any permanent side effects.
Best to eat only one, otherwise might cause backlash. Those with strong bodies can eat more than one. Lasts for 3 min.