▶ Ancient hero's soul is actually a crucial combination substance for unsealing the sealed mastery set procured from 'priest James.' ▶ So that you can make the ancient hero's soul, you may need the set item containing MU continent's soul as a mix substance for the overall mixture by NPC https://ancientherosoul86420.blogripley.com/35786579/getting-my-ancient-hero-soul-to-work