Hikyou Tanken Fam & Ihrlie

The story follows Fam and Ihrie, who are searching for the legendary Ultimate Power, which is said to grant any wishes the finder may have. After obtaining a map from the merchant Galuff, they find the "Proof of Royalty" in an ancient castle, where they fight off fellow treasure hunters Miguel and Rasha, along with the treacherous Galuff. Fam and Ihrie learn that alongside the Proof of Royalty, they need the Sword of Sargus and Mirror of Truth to obtain the Ultimate Power.

(Source: Wikipedia)