The darkness also ensures that for many people, only the flashes of light could be seen in the sky because of the need for light to see.
For those same people, the flashes of light were appreciated because they helped to shed light on the situation and help people see in the darkness.
On the ground was a tide of creatures that made the insect swarm look like a joke. This is one sight that the darkness didn't hinder because the elven army was marching from an area with a lot of light towards the position of the human army where there was poor lighting.
One look at the elven army was enough to make one's scalp tingle in fear. Actually, from the distance, they looked no different from insects. They were only in larger numbers. So they were more terrifying to look at than the swarm.
These two different scenes were the situation of the two separate battlefields. The demigods were fighting above while the mortals were fighting below.