If we believe that time is a web of interconnected events, different strands ever stretching outwards from one starting point-
We exist along a particular strand, that is always duplicating splitting because of different decisions we make.
If you can see those strands- perhaps you are also able to cut them. Thus- if that strand is cut- it can't ever proceed to exist.
1.5 imperial gallons of tea were consumed during the writing of this postIts possible.
An educated guess, because magic is capable of great things sometimes.
And people usually have a reputation for a reason.
And when you're a criminal that's never caught- and if that Alias means who I think it is- that means you're a man who escaped The Holmes family whilst they were at their prime.
Three of the greatest detectives- one of whom was Psychic- and none of them could pin down an identity for the man. All suspects were cleared as innocent.
Jack The Ripper- The Whitechapel Butcher, was never found and never caught.
Despite one of his victims being Enola Holmes- the younger sister of those three detectives.
He would've had to been good- or he had an advantage, where he removed the possibility of being caught.
1.5 imperial gallons of tea were consumed during the writing of this postGenerally, he'd probably have to be incredibly thorough to look at every single point of divergence.
There must be some that oracles tend to discard because they believe that they are too unlikely to happen.
He's only human after all.
Unless he's spent all this time hiding away, making sure that every single chance that he loses is gone.
1.5 imperial gallons of tea were consumed during the writing of this post

...How do you keep things from happening just by knowing about them?