You look up, and what you see only adds to your confusion. Above you is a wall of stone, and you know you are deep underground. Looking around on the ground, you find a wooden pickaxe. Soon, you realize that the only thing you can do is start digging. - Efficiency: multiplies your mining damage (starts at 1). - Crit Chance: increases your chance to deal 3x damage (starts at 0%). - Lucky Merge: increases your chance to get a +1 level pickaxe when merging (starts at 0%).