,There were plenty of other people in this area.
Mobs outside of upgrade mobs were naturally much smaller than the latter, but most of them were by no means actually 'small'. The mob in this sector was easily comparable to their first upgrade mob back then, but more powerful due to the level differences of the monsters.
More and more people appeared in the area, taking over different sectors of the battlement and the 'training' area right outside of it.
Flying monsters could only fly a little over a hundred meters above ground. That was to say, they couldn't fly above the scope of level 5 (and above) sentries.
However, they had evolved in a way that, after a few shots, they learned the scope of the sentries they were facing, thus managing to hover just beyond its scope to time when to swoop in.
