![story identification - 90s/00s anime with a kid and his battle robot that he upgrades to fight in arena battles - Science Fiction & Fantasy Stack Exchange story identification - 90s/00s anime with a kid and his battle robot that he upgrades to fight in arena battles - Science Fiction & Fantasy Stack Exchange](https://i.stack.imgur.com/WNdHr.jpg)
story identification - 90s/00s anime with a kid and his battle robot that he upgrades to fight in arena battles - Science Fiction & Fantasy Stack Exchange
![layers of mecha (in Japan it Mecha Anime is called "Robot Anime" so sentient mechs still counts, that is why its subgenres are called real/super robot) : r/Animemes layers of mecha (in Japan it Mecha Anime is called "Robot Anime" so sentient mechs still counts, that is why its subgenres are called real/super robot) : r/Animemes](https://i.redd.it/gciirvoono671.jpg)
layers of mecha (in Japan it Mecha Anime is called "Robot Anime" so sentient mechs still counts, that is why its subgenres are called real/super robot) : r/Animemes
![Animation Studios Come Together to Celebrate 70s Robot Anime | Anime News | Tokyo Otaku Mode (TOM) Shop: Figures & Merch From Japan Animation Studios Come Together to Celebrate 70s Robot Anime | Anime News | Tokyo Otaku Mode (TOM) Shop: Figures & Merch From Japan](https://resize.cdn.otakumode.com/full/u/2a65f8fdb44340f0ab7ef8f7909e4359.jpg)