Though Kruxe knew that Katrina was an E rank seeker, in the end, he found himself unable to do a thing and having to return to the Marial.
"Unable to walk up and tell someone on the ship who Katrina truly was because he had no idea how to answer the question of how he found out," Kruxe could only watch the darkness come and then observe that the captain spent the previous night in the captured frigate, the faint sounds which reached the Marial from the frigate telling of his actions.
The night of the previous day had been Kruxe's scariest in a while, he had sat up meditating while being completely covered in darkness energy, his body tense and alert and perhaps the only thing keeping him from running and steering the Marial away from the frigate and abandoning it was the fact that the Marial had definitely been docked and taking control of it all alone wasn't possible.