Evil has no power

What is stronger - evil or good? Or is one impossible without the other?
Does evil come back to the one who created it? ..
Lena Lapina has grown, and her attitude to the world has changed noticeably. In one she is true to herself - Lena is still devoted to the kingdom and his king. And the kingdom in trouble: the ruthless army of locusts sets in, sweeping away everything in its path. But even worse is that Oberon disappeared. No one knows where he is. Moreover, everyone suddenly forgot that they had a king, as if Oberon never was ...
And only the necromancer Maximilian - not the enemy and not a friend, and in general the personality is very difficult - comes to the rescue. But can he believe him? Whose side will he eventually choose? And how will the battle of two titanic armies end? ..
For children of secondary school age