"Guardian of the 15th Floor, Mai... I bow before the Supreme one." a silver-skinned humanoid said, it was unclear where its voice came from as it had no holes anywhere on its body. it was completely silver, although it had a female physique. its voice came out emotionless, with no hint of life. She was an Automaton, in other words, a Machine. the 15th floor was a land of Automaton, all ruled by Mai, who was of course the strongest NPC in Nazarick.
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