Open the list of tags
Tags:Mondstadt +Dragonspine +Liyue +Inazuma +Sumeru +Fontaine +Natlan +Snezhnaya +Khaenri'ah +Character (Playable) +Character (NPC) +How to call +Title / Other name +Enemy +Boss +Location +Domain +Event +Object +Living-Being +Organization +Fatui +Shop & Facility +Archon Quest +World Quest +Random Quest +Story Quest +Daily Commission +Tribal Chronicle +Item +Local Specialty +Drop +Boss Drop +Gemstone +Talent Level-Up Material +Weapon Ascension Material +Food +Artifact +A Piece of Artifacts +Dialogue +Element +Serenitea Pot +Weapon +Sword +Claymore +Polearm +Bow +Catalyst +
Close the list of tags

English:
Emperor of Fire and Iron
Chinese:
铁甲熔火帝皇
Japanese:
鉄甲熔炎帝王(てっこうようえんていおう)

Fontaine
Boss
Link to Emperor of Fire and IronPermalinkCopy link to Emperor of Fire and Iron