The flying Arachnids were always one of the most problematic bugs to deal with, because they were speedy and very agile. Anything that came from the bugs and could fly, was fast as heck and very troublesome to shoot down manually.
One would either need highly automated systems or powerful abilities that could cause an area of effect on the entire place that would wipe them out regardless of how they dodged the strikes.
Arcturus and Jenaiel were a bit caught off guard by the sheer scale and ferocity of the assault because the bugs were charging straight into the traps and minefields that Zehal prepared as everything went blank in a mere moment.
Enormous explosions that deafened even the two of Highborne Asuryani in a mere moment, when the entire part of the Frostearth Valley was turned into one huge flaming mess that was being covered by dust.
