Hoshin Engi, Vol. 23

Betrayed by an immortal, trained by a God, hunted by Demons.
When his clan is wiped out by a beautiful demon, young Taikobo finds himself in charge of the mysterious Hoshin Project. Its mission: find all immortals living in the human world and seal them away forever. But what is the ultimate goal of the Project? And does Taikobo even know whose side he's really on?!
Final Volume!
As he begins the final battle to defeat the powerful alien Joka, Taikobo must use his paope weapon Raikoben to summon and combine the powers of all the sendo immortals. But will this be enough to defeat the enemy?