Since their co-operation is top priority I have to say it like this.
Even though there is the assumption that the Heroes, who are the Ace Players, have to lead the charge.
To minimize the amount of damage, us Heroes must co-operate with the residents of this world.
The fact that they don't understand this is amusing.
"I had managed a team before."
Is Motoyasu's answer.
He glances at Firo's demon form. Well he probably doesn't want to be kicked.
"Then why can’t you understand?"
"I don't need to."
"Huh!?"
"It will all work out one way or another.