Three hours had passed, and Number Ninety-Eight had already completed four pieces. This was quite an astonishing speed, and all four of his creations were Level 5 Soul Tools.
Given the limited time, a Level 6 Soul Engineer would not necessarily choose to make a Level 6 Soul Tool.
In combat, a soul engineer's primary consideration was self-preservation rather than attacking the enemy. Therefore, a single soul tool was clearly insufficient for battle. Multiple, well-balanced soul tools suited to oneself were always the best choice.
Chapter 678