Preparations for the ultimate fight (IV)

Cain had already completed three of the four steps required to achieve the Second Level of the Indestructible Herculean Technique. If he succeeded in mastering the final step, he would gain a body impervious to attacks from ordinary Peak Divine Transcendence Masters—a tremendous boost in both endurance and defensive might. Of course, such durability would still be far from sufficient to withstand the full onslaught of a Third Realm life form, but it would remain a pivotal advantage in any high-stakes confrontation.