your final training exercise will test your endurance as well as your strength.
Travel to Volcanic Zone and seek out a group of Adult Panther that have been forming a clan. They are far enough away that if they were any other form of creature we might not bother, but when Adult Panther form large enough clans a magical force can form that can bring cities to the ground.
Find this clan of Adult Panther and kill off 12 of them and return to me.