Do artillery strikes, from the gunboat, directly to the "Power Core" do anything?
Do artillery strikes, from the gunboat, directly to the "Power Core" do anything?
Of course it does. It's just extremely tiny: the base HP of a power core is 180000 which can be increased further by blue statues. A maxed-out artillery does 5084 damage per shot, so with artillery alone you would need 36 shots of a maxed one to take out the weakest possible core.
Focus on getting your troops safely into striking range of the core instead.