Adventurers needed to help map out a cave.

The party protected the employer, Kirito, map out and clear the second floor dungeon of Aincrad. they encountered many cows and Minotaurs. they found that the minotaurs used magical weapons. The largest of the minotaurs had 2 spear-men help protect him. After they cleared the dungeon they went to the next floor and saw the city a bit.