True protection in isekai manifests either as the willingness to suffer or the capacity to adapt, and these two characters represent distinct poles of that dichotomy. Because one operates on physical endurance and the other on narrative momentum, a YPS-2 rating for both is functionally meaningless. The scale measures output, but the story values their utility differently. Darkness functions as a static wall; her value is found in her refusal to move or change, turning her lack of Ego and Growth into a tactical asset. She does not overcome her masochism to protect her party; she weaponizes it. Conversely, Iruma Suzuki represents the evolution of the protector. His Ring of Gluttony serves as a catalyst for a Growth score that dwarfs the Crusader's, shifting him from a passive survivor to a leader who reshapes the social fabric of the demon world. While Darkness finds her identity in the acceptance of pain, Iruma finds his through the rejection of his own powerlessness. This reveals a fundamental genre divide: one character is a tool for the plot's comedy and stability, while the other is the engine of the plot's progression. The Bonds score remains the only shared constant, proving that regardless of whether power is physical or narrative, the isekai protector is defined by who they stand in front of rather than how they fight.