That's right. My companion was more affected than I was, but once I showed up to fight the spider it started speaking to my mind as well.

[His face scrunches up. Anger is not a look that Gaius wears often; given how calmly he speaks, maybe that's something others can pick up on. But that incident had been so unpleasant. He still remembers how his spear felt puncturing the spider's skull. No remorse for monsters, because:]

It was using the voice of my little sister. I don't know what a primal beast is, so all I can say is that I hope none of us ever have to run into one again.