Wait, I thought he was in the data files (since if is basically an "official romhack" of SMT 2 and mirrors a lot of data) but you could only get him via save file hacking - there's no legitimate way of getting him. The thrust of the trope still applies since it goes completely against what we learned of the Abyss in SMT 2, but it would be nice to clear this up.
Concerning Lucifer in If:
Wait, I thought he was in the data files (since if is basically an "official romhack" of SMT 2 and mirrors a lot of data) but you could only get him via save file hacking - there's no legitimate way of getting him. The thrust of the trope still applies since it goes completely against what we learned of the Abyss in SMT 2, but it would be nice to clear this up.