While retreating back towards where the pitfalls are located, Miguel observed his enemy's formation. He had gauged that their style is very barbaric, well suited to their name but this kind of formation had a lot of flaws.
The formation was dependent on their brute strength to force their way. Each and everyone was acting on their own. None of their formations can really be called a formation, it's just them rushing towards their enemies.
That's also the reason why Miguel could easily destroy them.
But Miguel is expecting the next wave to have more than 100 warriors, even if they each spit on you, it's enough to drown you. Not to mention their speed of advancing.
They'll rush forward running to kill them all!
That is why if he could kill all of the remaining Buwayans here, he could have more time to prepare for the incoming reinforcements!
'This is risky... But there's nothing else I could think, other than this...'