One hundred and fifty human figures could be seen entering the 31th floor, they marched through the huge dark corridor while keeping their vigilance. They walked along the corridor carefully and slowly until suddenly, they heard loud sounds from the distance.
Thump. Thump. Thump
Through the dark corridor, they could barely see several figures approaching them. Alex saw the approaching enemy and instructed the group to stop. His group immediately halted as if the time had stopped when they heard his instruction, except for Evan and his people who took a while to realize the situation.
"The trolls have come! Everybody prepare for battle!"
[Cave Troll]