Rockman Operation Battle Starter OS-04 Thunderman [Japan Import] (Gameboy Advance) Mods & Repair Kits Choose a play-style that suits

Choose a play-style that suits you

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The hand parts can be used to make all kinds of dancing poses

It's time to take control of your health

Rockman Operation Battle Starter OS-04 Thunderman [Japan Import] (Gameboy Advance) Mods & Repair Kits Choose a play-style that suitsA Battle Chip is a data storage device in the Megaman Battle Network series that an operator can insert in the PET to transfer its data to a NetNavi, giving support in combat. There is a wide variety of Battle Chips that serve various purposes, like giving armament to the NetNavi use as a means to inflict damage or providing a line of defense to the Navi fall back on.