I didn't try with v0.9.1-743. I just tried again with V0.9.1-742 & v0.9.1-925 can also pass the boss battle. But v0.9.1-925 is no background music.
Btw not all the battles have problem. But it usually happen at boss battles.
Btw not all the battles have problem. But it usually happen at boss battles.

