Agro is a loyal and dependable horse companion in the game 'Wander to Kyozou' (known internationally as 'Shadow of the Colossus'). Serving as the protagonist Wander's only ally throughout his perilous journey, Agro supports him by providing transportation across the vast, mysterious lands. While not human, Agro's intelligence and bravery are vital to overcoming obstacles and facing the colossal adversaries. The deep bond between Agro and Wander is central to the emotional impact and storytelling of the series.