Monster Master: Mystery of the Abyss

Kane carries the inheritance of the Holy Contract Seal, and with the supernatural power contained in his bloodline talent, he not only understands the secrets of beast language, but also can help the contracted monsters break through their shackles. However, his home and close friends were brutally destroyed by the rift created by mysterious forces. Kane, who was eager for revenge, finally found the exiled Black Dragon Princess. Since then, a shocking conspiracy spanning races, sweeping the continent, and involving gods has slowly begun to unfold.