Ato. It was created by Raiden Shogun. He has electrical energy in his body, so he doesn't need a Vision from Celestia. Scaramouche's enemy is in the past. They've been enemies for several years, depending on how long they've known each other in Inazuma. Because of the Shogun, of course. A few years later... After that, Scaramouche disappeared with gnosis. Then, together with gnosis, he escaped to Sumeru to become a god, but it did not work out due to the intervention a Traveler and Paimon. In the events of the Irmensul tree, the memory of Scaramouche was erased. Now Scaramouche has become a Wanderer, with an Anemo Vision. Ato is a former puppet of the Shogun who went missing after after one case of abduction by members of by Fatui. This happened after the Scaramouche's disappearance and the events in Sumeru. After that, Ato was not seen in Inazuma for a long time. After that, Ato was counted dead. But he managed to escape from their captivity. For this, he went to extreme measures: to choose by force. Ato fled to another region: Sumeru. Some of the scars were left on Ato body. Ato has already lived his life as as a traveling person.