Once you reach Chapter 3 and also beat the first mission, you will now fully be able to level up and upgrade your various parts in Gundam Breaker 4. Synthesis is the feature you need.

Gundam Breaker 4 is full of some of the most varied parts and Gundams you’ll ever find in a game in this series. Of course, this means some of the rarer and more popular types, like Beargguy ...