Path of the Fallen

The first time I played, I got too engrossed in the game. After 6 months, following the transformation into Agrail, I couldn't defeat Arnyel. But the scripts worked normally; Agrail teleported to Arnyel, and the progression continued. Now, taking into account the previous mistakes, I'm replaying, and after transforming into Agrail, the teleportation doesn't work. Also, due to the excess of demons, they attack immediately, not allowing me to put them in reserve. Maybe someone can help? I want to finish the game.