Brother Leon's manipulative and sadistic tendencies are showcased in Chapter 16, where he deceives Caroni into revealing information about Jerry. In Chapter 24, it is disclosed that he has misused the school's money to purchase chocolates. In Chapter 38, he trivializes Jerry's brutal beating by saying, "Boys will be boys..." Meanwhile, Archie exerts malevolent control over Trinity as The Vigils' Assigner. His use of manipulation, intimidation, and fear forces other students to obey his harmful commands. By allowing The Vigils to operate, the brothers foster an environment of corruption at Trinity. Brother Leon's willingness to share power with The Vigils, particularly when he enlists their help with the chocolate sale, further erodes ethical leadership. Cormier also emphasizes that by submitting to Archie and Leon, the students at Trinity align themselves with malevolent forces, as shown in Chapter 6 when Leon torments Gregory Bailey while the other students remain silent.

Jerry represents the classic hero archetype. As a typical high school student with ordinary abilities, he confronts significant challenges with nothing but his own resolve. By choosing not to participate in the chocolate sale, Jerry stands against a corrupt and deeply rooted system. Although he ultimately faces defeat, his steadfast dedication to his principles is what truly matters. Some critics, however, contend that the book ends on a pessimistic note, with evil triumphing over good.