"Welcome to the second floor, the World of Pillars. To proceed to the next floor, please do not fall. Any participant that manages to knock down others will gain Card Points which can be used in the shop of the 4th floor."
The robotic voice briefly explained the rules of this floor just as the nine hundred plus participants.
When Arthur appeared on the 2nd floor, he found himself standing on a very tall pillar, his feet nearing the edges. Below him, there was a bottomless abyss painted by an inky blackness which brought anyone the shivers every time they look at it.