How do you go ssj3 in dbz sagas mugen?

To transform into Super Saiyan 3 in DBZ Sagas Mugen, you typically need to configure a specific set of keyboard or controller inputs to trigger the transformation sequence. The key combination may vary depending on the Mugen build or character you are using. It's recommended to check the game's documentation or community forums for specific instructions on how to go Super Saiyan 3 with your chosen character.