The fire beasts captured by Lin Chen were divided into three levels: those at the peak of the Nirvana Realm, half-step to the Creation Realm, and those above the Creation Realm.
For those fire beasts above the Creation Realm, Lin Chen had no other choice but to plant a divine soul brand deep in their souls to control them. However, for other fire beasts that had not reached the Creation Realm, Lin Chen could forcibly tame them through aggressive means.
Fire beasts that had achieved the Creation Realm made it very difficult for Lin Chen to forcefully invade their souls with the Soul Capture Technique. If he's not careful and these beasts resist, the soul backlash could perhaps severely damage Lin Chen's own soul.
Therefore, Lin Chen found it almost impossible to forcibly plant restrictions in their Soul Sea.
