High Kizuna levels (often 75% or 100%) are required to execute powerful co-op hissatsu techniques, such as Inazuma Break or Chaos Break.
Beating teams like Teikoku Gakuen, Zeus, and the Dark Emperors in Competition Mode is necessary to unlock their players for scouting. Inazuma Eleven Strikers 2012 Xtreme Save Data
If you are playing on PC using the Dolphin Emulator , you can easily import downloaded save files: High Kizuna levels (often 75% or 100%) are
For those who prefer to earn their progress, here are the requirements often found completed in a standard "Xtreme" save file: Inazuma Eleven Strikers 2012 Xtreme Save Data