If the leader monster's goal is to protect itself, there are better ways, and they don't necessarily need to be complicated.
So, there is only one explanation.
That is, it can only control a small portion of the monsters. It is the Pythonels that are hiding inside the gap in that stone pillar.
It couldn't control all the monsters, so it could only use this method to maximize the advantage it held, using just a few simple steps to use a small number of monsters to take advantage of all the monsters' strength. Instead of letting the few monsters it controlled charge at the enemy like sacrificial pawns,
And at this point, Kain's thinking deepened even further.
So why can the leader monster only control a few monsters?
It should be noted that the Salamander leader on the fourth floor literally commanded all the Salamanders on that floor, so this had nothing to do with thinking ability.
