An "almighty warrior" is a powerful and dominant figure, but there are plenty of alternative synonyms to describe such a person. Some of these include a fierce champion, a valiant hero, a mighty conqueror, a gallant knight, a brave soldier, a formidable adversary, and a triumphant gladiator. Other terms might include a dominating warlord, a skilled samurai, a merciless assassin, or a fearless fighter. Ultimately, the term that best describes an "almighty warrior" depends on the context in which it is used, and the qualities and attributes that the speaker wishes to emphasize.