There was another reason he recently delved into the study of the Agmilas Labyrinth and needed a place to test his findings—Machu Picchu was an ideal testing ground.
To control this group of adventurers from various backgrounds as much as possible, Charles, on the road, adjusted the team structure on the pretext, "There might be dangers along the way, and we need a battle formation." He gathered the leaders of more than a dozen small adventure groups and divided the remaining members by gender—the male adventurers were responsible for carrying the gear, and the female adventurers were in charge of the food and water.
Charles's personnel adjustments were not drastic and were explained as temporary, so they encountered no opposition.
In small adventure teams, the leader is typically the highest in combat power and the core of the team, with the members heavily reliant on the leader.