That Time I Got Reincarnated as a Slime, Vol. 10 (light novel)

The Tempest Founders Festival was a roaring success, and Rimurus next goal is to join the infamous Council of the West. However, a certain influential figure within the Council has no intention of letting someone as powerful as Rimuru have a seat at the table, and they will stop at nothing to quietly snuff him out before he makes any moves