|Affiliation and military information|
|Real world information|
- "With your skill, one-on-one isn't a fair fight. So we have evened things up with a bit of a handicap. Now let's start."
- — Barutazaru in AC Battle
Barutazaru is a Raven appearing in Armored Core. He is ranked 3rd in the Rankings and is one of the most successful Ravens in terms of mission success rates and enemies destroyed. He is not above taking an unfair advantage to secure his victory.
- AC Battle
- With your skill, one-on-one isn't a fair fight. So we have evened things up with a bit of a handicap. Now let's start.
Fefnir is a heavyweight four-legged AC equipped with a small missile launcher, linear gun, hand gun, and laser blade.
- Head: HD-REDEYE
- Core: XCH-01
- Arms: AN-3001
- Legs: LFH-X5X
- Generator: Unknown
- FCS: Unknown
- Boosters: Unknown
- Back Weapon L: WC-LN350
- Back Weapon R: WM-S60/6
- Arm Weapon L: LS-2001
- Arm Weapon R: WG-HG512
Barutazaru appears as an enemy during the mission AC Battle.
Ranks among the top Ravens in mission success rate and targets destroyed in battle. A true ace.
The name Balthazar (coming from Barutazaru) means "Baal protects the King" and is one of the names commonly attributed to one of the Three Wise Men who was an Arabian scholar.
The name Fafnir (coming from Fefnir) comes from Norse mythology. Fafnir was the son of a dwarf king Hreidmar. He was a dwarf with a powerful arm and fearless soul. Upon being afflicted by Andvari's cursed ring and gold, Fafnir transformed into a dragon. He was slain at a later date by Sigurd.
- Barutazaru is a translation from Japanese name meant to say "Balthazar", one of the three Biblical Magi.
- While Barutazaru's gender is never directly indicated by the game, the voice actor is male suggesting that he is male.