Upon hearing Castiel's question, Cayenne turned around to face her. His calm face didn't mask the anger in his eyes.
"A priest on their own may be a match for weaker Blisters, but not for the stronger ones. You need to learn how to work as a team to take them down. Priests-in-training are matched together based on personality and skill. John and Claude are both talented Priests, as are you. Instructors report any disruptions within the team and based on how bad it is, one or more may not continue," Cayenne looked each of his students, settling on Castiel, " and that could mean being removed from the team or termination from the Order itself." He took a breath, "So play nice. I'm certain you were put into this team for a reason." Cayenne turned back around and continued walking. 
"Any other questions not pertaining to the life expectancy of your team mates?"