"S-Rank difficulties is something pertaining to Main Gods and Sovereign Gods, mainly the 7th League of Power." Allen continued his words, not batting an eyelid at all.
"...."
"And SS-Rank then pertains to the next League containing beings at the Cosmic and Cosmological levels of power, right? The same goes for SSS-Rank as well... it's for Supreme beings up there."
Allen kept up briefing them up on the situation, trying to show how big of a fuck up they were in. And the one who didn't want to hear any of this, was currently helpless.
"...."
Unlike Existential levels, Leagues were not that strict. As there could be multiple Leagues within each Existential level... and multiple Ranks within the Leagues.
The <Lower Existence> for example, has the 1st League of Apprentice, Adept and Advance combatants. The difference in power between them, not that great.