Weapons: Arms
| Name | Power | Abilities |
| Big Hand | 105 | - |
| Crisis Arm | 1 | Power changes according to the last digit of Robo's HP. 5% critical attack rate |
| Doom Finger | 50 | - |
| Giga Arm | 135 | - |
| Hammer Arm | 25 | - |
| Kaiser Arm | 120 | - |
| Magma Hand | 70 | - |
| Megaton Arm | 90 | - |
| Mirage Hand | 30 | - |
| Stone Arm | 40 | - |
| Terra Arm | 150 | - |
| Tin Arm | 20 | - |
