Solution Epsilon

Solution Epsilon is a member of the Pleiades Six Stars, the elite battle maid squad serving the Great Tomb of Nazarick in the anime Overlord.

She is a powerful slime-type heteromorphic NPC (specifically a predatory slime assassin) created by the Supreme Being Herohero. In her humanoid form, she appears as a stunning blonde woman with spiral curls, blue eyes, and a maid outfit designed to emphasize sex appeal—often compared to one of the most beautiful women in the Re-Estize Kingdom.

Despite her elegant appearance, Solution views humans as mere food or toys. She enjoys swallowing victims alive, slowly dissolving them with her acidic body while savoring their struggles (and muffling screams by sealing their throats). She's calm, calculating, ruthless, and highly loyal to Ainz Ooal Gown (and to a lesser extent Sebas Tian), while being one of the two "extremely dangerous" Pleiades members alongside Narberal Gamma.

Her abilities include shapeshifting, absorption/digestion control, acid attacks strong enough to melt high-level items, trap detection, poison use, and using her amorphous body for infiltration or storage. She often operates undercover or in scouting/assassination roles for Nazarick.