Goblin Slayer manga is indeed ongoing. It continues to captivate readers with its unique plot and character arcs. The creators are committed to bringing more exciting content.
I'm not sure specifically as there could be many novels with such a title. It might be about a night filled with goblin - related adventures, perhaps their mischief, battles, or some sort of mystery involving goblins that unfolds during the night.
I'm not sure exactly how many Goblin Slayer manga there are. You might need to check with reliable manga databases or fan communities for the most accurate count.