what episode of tensura does Rimuru name octagram

Rimuru names the Octagram in Season 2, Episode 24 , titled “Octagram.” It’s the episode after the Clayman battle, where he gives the Demon Lords their new council name.

Quick detail

• Anime: That Time I Got Reincarnated as a Slime.
• Episode: S2, E24.
• Title: Octagram.

Context

The name is introduced right after the fight with Clayman, when Rimuru formally renames the group of Demon Lords.

TL;DR

Rimuru names Octagram in Season 2, Episode 24.