Tenochtitlan is a Moon Cancer-class Servant in Fate/Grand Order, depicted as the personification of the Aztec city. She engages in conflicts with the Chaldean team, holding the upper hand in battles except against Nitocris Alter. Defiant against Tezcatlipoca's orders, she targets Chaldea as a threat capable of eliminating Othetl. Later, she aids Ritsuka by temporarily disabling surveillance to troll BB, showing a mischievous side while believing in their alliance.