Turtle Island Treasure Quest
1. Talk to the Scholar in Alberta (alberta 248,90).
2. Read the Voyage Log (alberta 247,93) twice. Then go to the mentioned position on TI surface (tur_dun01 160,81) and open the box with the skull key from the Log. You'll get 5.
3. Other possible coordinates you may get at the end of the Log: It could tell you to go to the Turtle Tree Roots (tur_dun02 132,251), then to the Pile of Turtle Crystals (tur_dun02 46,125) and finally to the Turtle Pillar (tur_dun02 51,155). There you'll get a.