Well, the goblin cave was known to be a place full of danger. There were rumors that a great treasure was hidden deep within. A group of thieves entered the cave. They were met with goblins who were guarding their territory. The thieves tried to negotiate with the goblins at first, but when that failed, they had to use their weapons. It was a fierce battle, and in the end, some of the thieves managed to escape with a small portion of the treasure.
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 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.