An A-Rank bracer from the Liberl Kingdom who's known by his title, "Heavy Blade," due to the massive sword he swings around with ease.
Because of his help resolving the incident in Liberl four years ago, he was promoted to A-Rank. After this, he proceeded to rack up a number of impressive achievements, both within Liberl and abroad. Eventually, he had become known as one of the top talents in the Bracer Guild.
After the Erebonian Civil War, he got word Ouroboros and various jaeger corps had begun moving in Erebonia. Because the bracer guild had nearly been driven out of the empire, the few bracers still remaining were severely shorthanded. This, combined with a request from his old friend, Prince Olivert, led Agate to travel to the empire to lend a helping hand.
Though he still worries about Tita attending Thors' branch campus, he's started his own mission: searching for the truth behind a tragic event from 14 years ago.