As Alros was having fun inside the system space, in the caverns, his clones and monsters are busy searching for their target. Thankfully for them, there are no adventurers during the night, nobody crazy enough to remain inside when the monsters become more active.
So, they are allowed a free reign to travel through the entire area. Of course, the monsters that reside in each area will come and block them, but a mere sight of the wings behind the clones, along with the growling of the Demonic Goblins and Demonic Lizardmen cause the other monsters to retreat, knowing they would not stood a chance against the current foe.
However, as they get deeper and deeper, less monsters and clones remained in the group. No one had died yet, but the numerous intersection caused the number to dwindled as they split up to cover more ground.
