Fire Genasi monster hunter, casts spells from their vitality and uses gadgets and mechanized weapons (think Ivy Blade from Soul Calibur and God Arcs from God Eater) in combat. Artificer (Artillerist) / Blood Hunter (Order of the Profane Soul [Undying Patron, Kitsune Onryō mentor]) by D&D 5E rules.

Last minute addition if you're still taking them