Khan continued to look in the direction where the Tors had disappeared even after that hooded figure left his vision. He honestly didn't know how to feel about the previous events, but his curiosity remained strong and made him notice a few details.
The Tors had dismissed Khan as soon as the container was full. He could see that behavior as a complete lack of interest toward him, but he could also find alternative explanations that sort of made sense.
The oily synthetic mana and the overall modifications applied to the environment hinted at the presence of experiments. Khan didn't know if he could see that through a human mindset, but it could explain the lack of interest. The Tors might be too captivated by their projects to care about him.