Horizon stood across from the cave. His sensors fired in the surroundings. Despite being much, much more powerful than the previous drone, it still wasn't reading the cave as being there. Interesting, he thought to himself.
Around him stood a group of ten freshly constructed sentinels. According to the information he had, dungeons were spaces set away from the real world where monsters were located.
The objective of these dungeons was essentially to go through them, defeating the monsters, and claim a treasure at the end guarded by a powerful beast otherwise known as the dungeon boss. But Horizon wasn't satisfied with this information. It left too many things unanswered. Where did these dungeons come from, and what exactly were they?