Mad Kings Clock Tower
What you are experiencing is the result of lag. The game server thinks that you’re a couple of seconds ahead of where you think you are, hence the green soup being higher than what is being shown on your screen, and why jumping directly at the clock face doesn’t get you into the final room.
A good way to tell if you’re experiencing lag is by observing the rubble that bursts out of the tower after the first platform where you wait. If it all flows out smoothly from the tower, you’re good. However, if the rubble seems to freeze in mid-air or suddenly appears, then you’re lagging.
You can either quit the instance and try to get into another instance with better ping to you, or you can try and compensate for the lag.