Really so sure. I try it in many different way like close and reopen the game with activite the mod DMG, it just defeat at stage 2 on the event. I attack them with 0 value and they attack me with high damage value to defeat on "祭典逆襲-復仇的四天王活動" event.
我不寄予厚望,I just ignore to play the event, so I...