▶ Ancient hero's soul is usually a key combination materials for unsealing the sealed mastery set bought from 'priest James.' ▶ As a way to generate the ancient hero's soul, you may need the set item containing MU continent's soul as a mix product for the final blend by NPC https://johnathanhmqtx.wizzardsblog.com/35018614/the-best-side-of-ancient-hero-soul