Where due to the ability to travel through time or change the past, the plot begins to break down and makes no sense if you think about how the past changed would affect the future.
My Archenemy Suddenly Went OOC
I have an archenemy. One day his persona collapsed.
I’m In Charge of SCP
Object Class: Keter Description: SCP-X is a humanoid that calls himself as “Zhang Jue” and came from a parallel universe with traits that are unaffected by most SCP anomalous objects. Long-term observational studies reveal that he has a mildly antisocial personality and loves to tr*sh-talk. SCP-X can obtain the ability of a particular SCP anomalous…