Noticing the new side quest the system had issued, Gentō could not help entertaining a new idea.
Could there be weapons of an even higher grade than Immortal Tools?
Was SSS-Rank not the upper limit of the Family System's rewards?
Did that mean he would have opportunities to obtain even greater system rewards in the future?
Rather than just the things he had received so far?
The main reason this idea had suddenly occurred to Gentō was the side quest's mention of the Minglin Boots resonating with the Dragon Vein and upgrading an Immortal Tool.
After all, the Minglin Boots were the highest-grade weapon he had ever seen, on par with the Coiling Dragon Staff.
Weapons of this quality far surpassed the Time-Stop Demon Blade he had upgraded with a Ninja Tool Upgrade Card, and stood several tiers above the top ninja tools supposedly forged by masters in the Ninja World.
Kirigakure's Seven Ninja Swordsmen weapons from the original story-Samehada, Kubikiribōchō, Hiramekarei, Fang, Kabutowari, Shibuki, and Nuibari...
Before his Time-Stop Demon Blade, they were as fragile as ordinary wooden planks, let alone before the Minglin Boots, which far surpassed even that blade.
Had his Time-Stop Demon Blade not possessed such astonishing quality...
Gentō would never have designated the Time-Stop Demon Blade, the Imperial Seal, and the Jade Seal as his three treasures of state, symbols of his heavenly mandate to rule.
And now, the Minglin Boots seemed capable of advancing yet another step beyond their status as an SSS-Rank Immortal Tool...
Otherwise, the side quest would not have been called "Immortal Tool Upgrade."
It would have used some simpler description instead...
Furthermore, judging by how the Immortal Tool Coiling Dragon Staff had been forged from rare materials such as heavenly meteorite essence and World Origin Stone fragments, SSS-Rank was not