Lv. 1: My First Pickaxe
Lv. 5: Know Thy Land
Lv. 10: The Cutting Edge
Lv. 15: Getting in Deep
Lv. 20: Old Wisdom, New Ways
Lv. 25: Water from Stone
Lv. 30: Obsidian Race
Lv. 35: Amethysts Are Forever
Lv. 40: To Die For
Lv. 45: Gulley of Woes
Lv. 50: Canyon of Regret
Lv. 53: Sellspade
Lv. 55: The Same Vein
Lv. 58: Digging Deeper
Lv. 60: The Hole Truth