The monk asks how long it will take him to maintain this state. He's never tried it before, and he doesn't understand how to restrain the energy in his body. He tells the monk that he's getting old, and that's why he can't keep up with everything. The monk tells him to keep the flame blade burning for three hours, and if he fails to do so, he won't be able to go back to the next phase of training. He says he'll go first, judging from the speed at which he consumes the energy. This will be too strong for combat, he says, but for the sake of the battle, it's too weak. He asks the monk why he has to clean up the house first, and the