"So were ours. It's a bit hard to miss a giant extraterrestrial army." She blows out a sharp breath.

"But yeah, the Sylphid are a bit of a nightmare scenario, if they can figure out how to pass. I'm sure some worlds would have defenses - if there's a species of psychic parasite, there've got to be worlds where telepathy would be common place - but most wouldn't have great odds."