At the age of 46. 9, that is, the deepest part of the cave, go a little further, there are some boxes there. If you read the task carefully, you will know that NPC gave you the task items. After using mission items, a strange story will appear. At this time, you have been hiding in the house, and soon the stranger left and the task was completed.
First of all, go to the place shown on the map and the order box ... this is not very reliable.
Second, don't forget that there is a mine in that place. Go in, go to the end, count boxes ... this is the task flow. It should be noted that there are two places deep in the mine, of which only 1 is the task point, and there are many mobs. ...