Space-Time Chaos is available every day of the week at 20:00 - 20:30 System Time . Monster Siege is Rotated with War of the Gods. Below we will cover the Monster Siege event On your main screen you will find a button marked as S-time Chaos . In each event window there is a box marked help . Here is a screen shot of the help menu contents . So the basic requirements for entry into Space-Time Chaos are that you must be Lvl 32 AND you must be in a Guild that ranks among the top 100. Notice in the screen shot that the days the event is unlocked are Tuesday , Thursday and Saturday . At 20:00 System Time , The enter button will take you into the event . Also note that you will not receive any Ranking Rewards if you don't deal Personal Damage or Guild Damage in the event. When you first enter this is what you will see. For Monster Siege there are 9 separate floors. Each one has exactly the same layout. The first 9 floors are a maze. When you enter each portal you will have a single low level monster to fight. This is the portal guardian. Keep in mind that on each floor you also have a cool down timer. After defeating the Portal Guardian you will enter the portal chosen . This has one of three outcomes . You will move to A . The next Floor up B . The next Floor down C . 2 Floors Down During the first time through the 9 floor maze the goal is simply to get to the top. When the first person makes it to the top then a random monster or monsters will appear on another floor . Enter Any portal from the top floor to return to floor 1 . At that point make your way to the floor indicated for the event . During the event you will be ranked as well as your guild being ranked . When the Chaos Force shows up on a random floor this is what you will see on this floor You will receive rewards based on your ranking and on your guilds ranking . Here is the screen shot of where you can see as you play the rewards .