"It looked like we are going to finish this floor easily! Let Sebastian's undead warriors handle all of the works for now. We need to have a rest sometimes!" said Alexander with a smile.
The undead soldiers began their scourge through the 19th floor. They were carefree for that period of time as Sebastian lead his undead army.
30 minutes have passed away ever since they started exploring the 19th floor. They were still unable to find the floor boss room. Alexander began thinking about their next course of action.
'We need to hasten the progress of our expedition! We can't just rely on Sebastian! He's about to reach the limit of his capabilities! Even though he got an unlimited supply of mana from the atmosphere of this floor, the mental fatigue that he must be feeling right now must be
