Right now they didn't need a ballista to fire anything, they didn't need his grenades. But when the time would come for them to retreat, he was sure they'd depend on them to survive and go away with the least number of losses.
As everyone started to do their tasks, the ones who were fighting at the forefront were crushing it. Even William was surprised by how easily they pushed the enemies back, and killed tons of dark masters and monsters, turning this into a one-sided slaughter.
Even the masters he sent before to support them didn't have anything to do but kill the ones on the verge of dying, or collect the loot.
Things kept rolling in their favour for almost half an hour. And then, the main bulk of the two monster tides appeared.
The monsters came in huge numbers and they even started to run on top of each other. They looked ferocious, strong, and quite hard to stop.