How powerful is the Bone Dragon?"
"The Bone Dragon is a very powerful monster. Only guilds that dared to enter dangerous monster zones would be able to tolerate it. When walking alone at night, if you meet it, run right away."
"I can only imagine how terrible it would be to meet a Bone Dragon at night."
At night in the Versailles continent, monsters grow stronger by 50%, therefore reducing the number of emerging monsters that people were capable of hunting. People usually tended to take a break from monster hunting at night.
In the first place, hunting a boss class monster at night was no different from a suicidal act. The items and experience rewarded were not necessary, considering all the risk present.