Erik could sense its murderous thoughts thanks to the Instability brain crystal power. He could understand it because most of his murderous thoughts were directed at Uncle Benjamin.
Both for him and his clones, but even for Levium, there were no more words to spend, no more reasoning to make. The only thing that could be done now was spill blood, and everyone was determined to spill it.
However, as much as Erik wanted to smash his fist into Uncle Benjamin's face, he was in a very precarious situation. There was only a Chimaeric Demon with him, while the enemies he was going to face were too many.