That Time I Got Reincarnated as a Slime (2018)

S01E23 Saved Souls

Rimuru and the kids arrive at the lowest tier of the Spirit Dwelling, standing on a luminous pedestal to call forth powerful spirits. Will they succeed in their endeavor? As tension builds, Gale is the first to initiate the summoning, followed by Alice, Kenya, Ryota, and lastly Chloe. However, Chloe's attempt unexpectedly conjures an enigmatic spiritual entity brimming with energy. What is this mysterious being? Ramiris appears to have an inkling about its true nature...