Be it during a fight or life in general, moral compass means little to Purren Strost. If you don’t want a person harmed, you had better specify. General terms mean nothing to him as Purren Strost only deals in specifics. If the rules of a duel say you can’t shoot before the count of three? A grenade over the shoulder is fair game, then. Tell Purren Strost to stop someone at all costs, well, you better not be concerned if they’re brought back dead or alive.

Purren Strost sees himself as the control subject in the science experiment called life. Often labeled as "boring" and "predictable", Purren Strost keeps his wild and experimental side reserved for pet projects. This boring lifestyle leads to him being considered anti-social and when he does join others, instead of relaxing he prefers to keep quiet and observe.

Killing has never been a problem for Purren Strost; and he kind of enjoys it now, if he is honest. Killing's what Purren Strost does, and he likes what he does.

Purren Strost has a military background, and draws upon his experience to tackle the obstacles in his life. This makes him decisive, efficient, and fearless; provides him with a strong sense of duty and strength; which tends to influence his ability to fight and lead. However, a rigid mind is less compassionate towards individuals and less imaginative, and Purren Strost sometimes risks appearing callous, relatable, or incapable of compromising.

Purren Strost possesses a single minded drive for victory, and a deep-seated martyr complex. When presented with a chance to wade into battle versus overwhelming odds, Purren Strost does not hesitate, and instead rushes in, relying on skill, fate or chance to let him survive.

Purren Strost is utterly devoted to success in combat, no matter the mission, no matter the cost. He has spent his life building himself in the image of war, utilizing a dogmatic regimen that has lead him to a single-minded obsession with military success and requires intense physical and mental training. This training, however, has come at the cost of anything resembling empathy or concern for others - even his superiors and subordinates.