Try to balance offence and defense when you have to types of monsters by the mine.    If aqua and lava(by mine), use a aqua drone(kills laves well) with has "good defenses against its own type"(fact common to all drones).       If aqua and spark (by mine) use spark drone first.     If lava and spark use lave drone(kills spark). Neat right?

lol don't fight a monster to long, when you do it triggers  healing ability.

Hi lets Team up