Alagaesia's Beast Of Darkness

Threw into a war of life and death, Dark Gaia Demon Sonic, Fenrir and Dark Gaia are force to join Eragon. But Alagaesia is unaware of the beast of darkness. One that is planning Alagaesia's destruction as war of darkness and light will continue and with it. The fate of Alagaesia rest on Eragon and Saphira as they are threw right in the middle of Dark Gaia Demon Sonic's war.