Comments of chapter undefined of Epic of Summoner: Supreme Summoner System in the Apocalypse

At this moment he knew he's can f*@k them up

Thx

If this existence rank system is the exact same as Vampire Overlord, and he supposedly wrote Vampire Overlord, shouldn't he be able to guess what comes after SSS-Rank? I mean it might be different but couldn't he at least comment about his guess?