Vacuum Banki (18): A vacuum cleaner Savage Sky Barbaric Machine Beast sent by Kitaneidas to terminate the Go-on Wings while their guard is down. But after being man handled by Go-on Gold Vacuum Banki kidnaps Miu and holds her hostage to force Hiroto give up his Wing Trigger and Change Soul. Sōsuke's inference allows Miu to be freed as all three manage to defeat Vacuum Banki. He is the first Barbaric Machine Beast to be scrapped by Engine-O Jetripter.
- Height: 220 cm to 55 m
- Weight: 240 kg to 600 tons