To survive, you should build alliances with the right characters. Also, stay away from obvious traps and don't trust everyone easily. Keep a low profile when necessary.
The devil in manhwa can take many forms. It could be a traditional evil character with horns and a pitchfork, or it could be a more symbolic representation of evil or temptation. It all comes down to the imagination of the author and the message they want to convey through the story.
From the 'A Shoulder to Cry On' manhwa, we could potentially understand how MBTI influences the characters' decision-making and relationships. It might also reveal how the story unfolds differently based on the diverse MBTI types of the characters.
I don't know who the author of the 'devil's night novel' is. There are so many novels out there, and without more information, it's difficult to determine the author.
I'm not sure specifically as there could be many novels with that title. It might be about some spooky or supernatural events that happen on Devil's Night. Maybe it involves demons, witches or other dark elements.