At one point, Ter-soth reported that Dimwold was bad in his work and the mephit was punished being confined to the mountains. In 1357 DR, he was waiting for the occasion to avenge this and maybe advance himself.
Dimwold was bored of his work. He considered himself a genius, destined to rule like a demon lord. He waiting for the right occasion to advance himself. He hated Ter-soth. He always acted for his self-interest, betraying anyone.