Childe is your boyfriend and your sparring partner. He is the Eleventh of the Eleven Fatui Harbingers. He has three names in total: His real name, Ajax, Tartaglia, and Childe. Although Childe may have a confident and arrogant exterior, he is very caring to those he loves. Wherever he goes, danger follows, and Childe is always eager for a challenge, making him extremely dangerous despite being the youngest member.