Mine Battles are split to 5 types of mine: C, B, A, S, SS; only corresponding formation can join in the Mine Battle. You can arrange for 5 different formations for 5 different battle mines. In addition, the mine battles are also split to 5 different levels according to
commander’s level. After you overtaken a resource mine, you’ll get vitality, wisdom points, silver, gold and other resources. Higher level resource mines will produce more then lower level resource mines.