Optimus Prime, within the *Cybertron* arc of the Unicron Trilogy, initially adopts a cautious stance toward extraterrestrial engagement, motivated by concerns that cross-cultural interactions could inadvertently cause harm. To mitigate risks, he imposes strict prohibitions on his Autobots forming alliances or integrating with inhabitants of Earth, Velocitron, and the Jungle Planet during their mission to recover the Cyber Planet Keys. This policy stems from a protective instinct toward his forces and the civilizations they encounter, prioritizing restraint to prevent destabilizing local socio-political structures. His reluctance gradually shifts as he recognizes the necessity of adapting to alien customs to secure the keys. On Velocitron, participation in its high-speed races becomes crucial to earning trust, while on Animatros, respecting tribal traditions proves indispensable. These encounters drive a strategic recalibration, balancing his duty to safeguard Cybertron’s survival with the imperative to honor other societies’ autonomy. His leadership prioritizes adaptability and tactical pragmatism, particularly against threats like the Decepticons and Unicron’s resurgence. The quest for the Cyber Planet Keys positions him as a unifying force, forging interplanetary alliances while managing internal Autobot dissent. This arc traces his evolution from isolationism to collaborative diplomacy, grounded in the realization that mutual respect and cultural integration are essential for universal equilibrium. The narrative further delves into his spiritual bond with Primus, Cybertron’s creator deity, which anchors his ideological resolve. This connection fortifies his commitment to preserving galactic life, even as he navigates ethical dilemmas between intervention and non-interference. His choices ultimately synthesize strategic imperatives and ethical accountability, solidifying his role as a mediator bridging divergent worlds.