Sword Art Online: Alicization Episode 18: The Legendary Hero
Episode 18 of 24 of Sword Art Online: Alicization, aired February 9, 2019, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Eugeo reaches the ninetieth floor of the Central Cathedral, which turns out to be a vast bathing area. The perplexed Eugeo encounters Bercouli Synthesis One soaking in the bath. Meanwhile, Kirito and Alice are still climbing the Central Cathedral wall.