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The following is a list of robo-arms (アーム, Āmu?), also called mechanical arms or simply arms, a weapon type found in Star Ocean: Anamnesis. They are mainly used by Attackers.

Robo-arms can be equipped by the following characters: Iron-Arm Hal, Precis, Were-Millie, Sweet Verda, Bride Precis, Tika, Operator Precis, Naive Pericci, Tomokazu, Maid Vulcan, Sweet Miki, Summer Welch, Spring Tika.

Note: Items marked with an asterisk (*) are only available in the Japanese version and have an unofficially-translated name.

Rarity 1-3☆[]

Name Ra. (Rarity) Slots Stats (LB 5 Level 20) Factor(s) Acquisition
ATK INT
Enchanted Puncher
マジックパンチ?
1☆ -- 180 179 --
These machine-operated gloves dole out punches on their own initiative.
Iron Arms
アイアンアーム?
2☆ -- 258 260 --
Machine arms that significantly increase strength.
One-Two Punch*
ワンツーパンチ?
2☆ -- 292 289
  • ATK +5%
??
Ultra Arms
ウルトラアーム?
3☆ -- 367 369
  • ATK +10%
  • Absorbs 5% of damage dealt by normal attacks
Weapon Draw, Transmutation
??
Strong Arms
ソリッドアーム?
3☆ -- 342 341
  • Damage dealt +3%
Weapon Draw, Transmutation
Arms made of very hard materials.

Rarity 4☆[]

Name Ra. (Rarity) Slots Stats (LB 5 Level 20) Factor(s) Acquisition
ATK INT
Arms of Darkness
ダークアーム?
4☆ -- 472 465
  • Imbue attacks with dark
  • Damage dealt +10% when attack hits a single enemy
Weapon Draw, Transmutation
Arms infused with darkness and coated in a dark, luminous metal.
Glacier Arms
アイスアーム?
4☆ -- 440 441
  • +10% chance of adding freezing to normal attacks
Weapon Draw, Transmutation
??

Rarity 5☆[]

Name Ra. (Rarity) Slots Stats (LB 5 Level 20) Factor(s) Acquisition
ATK INT
Atomic Arms
アトミックアーム?
5☆ 2 650 649
  • Damage dealt +15% when attack hits a single enemy
  • ATK damage dealt +10% at 100 hits or more
  • Recovers 5% HP every 3 seconds (LB5)
Weapon Draw, 5★ Robo-arms Coin Exchange
Arms imbued with atomic energy. Their power increases with every attack.
Super Puncher
グレートパンチ?
5☆ 2 517 510
  • ATK +15%
  • AP recovery speed +50%
  • 30% chance of surviving a lethal attack at 20% HP or more (LB3)
Weapon Draw, 5★ Robo-arms Coin Exchange
Gloves invented by a great scientist. They are more powerful than they look.
Farmer's Arms
ファーマーズアーム?
5☆ 510 509
  • Lantern Burst +50% damage
  • Rush Mode damage +10% at 100 or more hits
  • ATK damage taken -10% at short range (LB5)
Operation: Be a Ghost!
Arms created for farm work but powerful enough to use in battle.
Striped Cat Mitts
しま猫パンチ?
5☆ 2 961 958
  • Imbues attacks with light , and light damage dealt +20%
  • AP cost -10%
  • 80% chance of surviving a lethal attack at 10% HP or more (LB5)
Weapon Draw
Paw-shaped gloves, which energize the wearer and deal light damage.
Polar Bear Paws
しろくまパンチ?
5☆ 2 960 955
  • Damage dealt to demons +40%
  • 80% chance of surviving a lethal attack at 10% HP or more
  • Recovers 5% HP every 3 seconds (LB3)
Weapon Draw
Arms that grant the wearer the strength of a polar bear. Retains heat and can be used in the cold.
Chocolate Arms
チョコレートアーム?
5☆ 511 507
  • Clockwise Arms +20% damage
  • Single target damage dealt +15% during combos of 3 or more skills
  • Absorbs 5% of damage dealt by normal attacks (LB5)
A Package Sent With Love
Chocolate-colored arms. Lick them, and you can taste a faint twinge of sweetness.
Angel Arms
桃腕・プリティーエンジェル?
5☆ 2 961 959
  • Imbues attacks with earth ; no flinching when attacking
  • Damage taken -10% and critical hit chance +10%
  • Critical damage dealt +15% (LB5)
Weapon Draw
Arms with angel wings. Used to swoop down and pummel the earth.
Straight Puncher
ストレートパンチ?
5☆ 533 527
  • Jump 'n Thump +20% damage
  • Additional hit that deals 5% of damage dealt by normal attacks
  • Critical damage dealt +30% (LB5)
Lucifer's Descent
These machine-operated arms are able to bore like a drill.
Ignited Puncher
イグニートパンチ?
5☆ -- 892 887
  • Imbues attacks with fire
  • Normal attack AP recovery +100%
  • Jump 'n Thump +20% damage (LB5)
Lucifer's Descent, 5★ Robo-arms Coin Exchange
Extremely powerful gloves that possess a fiery spirit of their own.
Dragoon's Robo-Arm
ドラグーンアーム?
5☆ 2 959 957
  • Damage dealt to dragons +40%
  • ATK +5%
  • Critical hit chance +30% when not targeted by enemy (LB3)
Weapon Draw
Robo-arm used by dragon hunters. Said to subdue even the most ferocious of dragons.
Crushing Mechanism Pulverizer*
破砕機巧パルバライズ?
5☆ -- 652 648
  • Imbues attacks with earth
  • Normal attack AP recovery +50% at short range
  • +10% chance of causing stun at long range (LB5)
5★ Robo-arms Coin Exchange
??
Popping Arms*
ポッピンクアーム?
5☆ 512 506
  • Parabola Beam +20% damage
  • ATK damage dealt +15% at 100 hits or more
  • AP recovery speed +30% when targeted by enemy at long range (LB5)
??
Machine of Bliss: Something Old*
幸福機・サムシング・フォー?
5☆ 3 1111 1108
  • Imbues attacks with light , and light damage dealt +25%
  • ATK damage taken -10% when targeted by enemy at long range
  • Rush Mode damage +10% at 100 hits or more (LB5)
Weapon Draw
??
Mechanical Servant*
メカニカルサーヴァント?
5☆ -- 513 508 -Twin Eclipse- Chapter 2
??
Piercing Diamond Drill*
穿孔腕・ダイヤモンドドリル?
5☆ 2 1262 1257
  • Imbues attacks with earth , and earth damage dealt +20%
  • Absorbs 10% of damage dealt by normal attacks
  • Damage dealt +10% when attack hits a single enemy (LB5)
Weapon Draw
??
Hologram Arms*
ホログラムアーム?
5☆ 3 1261 1258
  • Imbues attacks with lightning
  • Additional hit that deals 10% of damage during normal attacks
  • HP +10% (LB5)
Weapon Draw
??
Welcoming Committe*
メカニカルサーヴァント迎春仕様?
5☆ 3 1260 1261
  • Damage dealt to machines +60%
  • 80% chance of surviving a lethal attack at 20% HP or more
  • Recovers 5% every 3 seconds (LB5)
Weapon Draw
??
Bitter Bitter Cat*
ビター・ビター・キャット?
5☆ 1 507 513
  • Spread Missile +20% damage
  • Recovers 3% HP every 5 seconds
  • Damage dealt +10% when attack hits a single enemy (LB5)
??
Bunny Baumkuchen*
バーニィ・バウムクーヘン?
5☆ 3 1255 1260
  • Imbues attacks with fire , and fire damage dealt +20%
  • Absorbs 10% of damage dealt by normal attacks
  • No flinching during attacks (LB5)
Weapon Draw
??
Blizzard Arms*
ブリザードアーム?
5☆ 3 1263 1259
  • Imbues attacks with ice , and ice damage dealt +15%
  • Damage dealt +45% at 150 hits or more
  • 80% chance of surviving a lethal attack at 20% HP or more (LB5)
Weapon Draw
??
Land Warfare Arms*
陸戦型ロボットアーム?
5☆ 3 1260 1259
  • Damage dealt to machines +60%
  • ATK damage dealt +100% at 100 hits or more
  • No flinching and damage taken -30% at long range (LB5)
Weapon Draw
??
Gothic Arms*
ゴシックアーム?
5☆ 1 533 527
  • Planet Polisher +20% damage
  • Critical hit damage +30% during combos of 3 or more skills
  • Damage taken -20% during attacks (LB5)
??
Galaxy Cleaner*
ギヤラクシークリーナ?
5☆ 3 1264 1256
  • Imbues attacks with light , and light damage dealt +40%
  • 80% chance of surviving a lethal attack at 10% HP or more
  • Critical hit damage +60% during combos of 3 or more skills (LB5)
Weapon Draw
??
Heavy Ironware Strong-Arm*
重装鉄器・鉄腕?
5☆ 3 1563 1548
  • Imbues attacks with wind , wind damage dealt +50%, and damage dealt to divinity +30%
  • ATK damage dealt +40% at 100% HP
  • Recovers 10% HP every 3 seconds (LB3)
Weapon Draw
??
Sweet Cooking*
スイート・クッキング?
5☆ 1 831 829
  • Lovely Tuner +40% damage
  • Rush combo damage +20% at 150 hits or more
  • ATK damage taken -15% during attacks (LB5)
Chocolate In Hell
??
Onigumo Chocolate Fondue*
オニグモ・チョコフォンデュ?
5☆ 3 1560 1559
  • Imbues attacks with dark , dark damage dealt +50%, and dark damage dealt +80% to dark-weak enemies
  • Enemy's damage taken +30% during stun
  • AP cost -25% at long range (LB5)
Weapon Draw
??
Struggle Knuckles*
ストラグル・ナックル?
5☆ 3 1563 1557
  • Imbues attacks with lightning , lightning damage dealt +50%, and damage dealt to divinity +30%
  • Enemy's ATK damage taken +20% at 150 hits or more
  • 80% chance of surviving a lethal attack at 10% HP or more (LB3)
Weapon Draw
??
Twin Water Guns*
ツインスクワート?
5☆ 1 828 832
  • Scrap Smasher!! +40%d amage
  • Enemy's critical hit taken +15% at 150 hits or more
  • Hit counter +2 seconds (LB5)
??
Sprinkle Burst DX*
スプリンクルバーストDX?
5☆ 3 1558 1562
  • Imbues attacks with ice , ice damage dealt +50%, and ice damage dealt +80% to ice-weak enemies
  • AP recovery speed +100% at 100% HP
  • Critical hit chance +50% (3 seconds) during long to short-range Charge Assault (LB5)
Weapon Draw
??
Recorobo Arms*
レコロボアーム?
5☆ 1 832 828
  • Awaken Stream +40% damage
  • Enemy's ATK damage taken +15% at 100% HP
  • Increased AP recovery speed during movement (LB5)
??
Blessed Coro Gavel*
招福腕・コロ小槌?
5☆ 3 1563 1559
  • Imbues attacks with light , light damage dealt +50%, and light damage dealt +80% to light-weak enemies
  • Critical hit chance +60% (10 seconds) when hit by enemy
  • 80% chance of surviving a lethal attack at 10% HP or more (LB5)
Weapon Draw
??
Fortune Bouquet Arms*
礼腕・フォーチュンブーケ?
5☆ 3 1862 1860
  • Imbues attacks with earth , earth damage dealt +50%, and earth damage dealt +80% to earth-weak enemies
  • ATK damage taken -30% and recovers 5% HP during long to short-range Charge Assault
  • Rush combo damage dealt +70% at 100% HP at 200 hits or more
Weapon Draw
??