"Something like that. A lusus is a general term for a creature from my home that watches over a young troll, something like a mixture of pet and guardian." So really, she can be excused for not recognizing the word. It's just garden variety Troll Bullshit.

"That's a good thought actually. He's fond of roe cubes -- clumps of fish eggs," he adds, in case that particular phrase is also hard to parse. "I could give him some any time his immediate reaction to a new person is not to try and attack their lower legs. Was your armadillo difficult, to start with? He seems very docile now."

The adorable sphere doesn't look like it could do anything remotely violent.