Mining Efficiency is a skill that increases the number of commodities that drop from destroyed asteroids by 10% per level. This skill only comes into effect if the asteroid would normally drop at least 3 commodities. It costs 3 skill points per level.
Also see Mining Power.
Where to Train
|Arena Lobby (Asteroid base)||5||10 Mining Tokens||Tokens are mined at Arena Lobby, aim for the small stealthy asteroids.|