▶ Ancient hero's soul is usually a key combination material for unsealing the sealed mastery set purchased from 'priest James.' ▶ To be able to develop the ancient hero's soul, you may need the set item containing MU continent's soul as a mix product for the final mixture by NPC https://ancientherosoul53196.shoutmyblog.com/34192178/how-ancient-hero-soul-can-save-you-time-stress-and-money