We all know this needs to happen. Mentorship is not meant to carry people through content they have no business being in, it is meant to assist new players through the basics of the game, which EX trials aren't a part of. EX Trials, as defined by SE themselves, are high end content. They are the entry point to the hardest content in the game, and some are even more difficult than equivalent timed high end raids. As such they go well beyond what is the basics of the game, that Mentorship is meant for. As such they have no business being in Mentor Roulette, and removing them would help maintain Mentors staying for Mentor Roulette and see more of them doing it