Rai’lag is not a demon. Tieru performed the Ritual of True Nature on him, and he lost his demonic form. You are completely wrong about Isabel. At the end of the fourth mission for the mages (original), Isabel kidnaps Biara, and at the end of the fifth, we are given to understand that Isabel has already been subjected to violence. Markel Kha-Belekh did not serve him in any way; he was a complete egoist. Regarding the Lords – how do you judge the plot? First, play through the Heroes, and then you will be able to talk about the plot's inconsistencies.