Long story short. 
Chaldea,It Both Masters & All Of It Servants Will Be Watching,Reacting & Analysing Different In The Entire Multiverse.
From The Canons Events To My Fanmade Ones As Well.
how will be they watching, you might ask???
Well Let's Say A Famous Inventor Who Is In A Woman Body will be making something that will do the job. 
and how she thought of this.
Let's Say I make her see a dream. 
and Boom!!!
She Has Done It.
Now,
Let's see how the Inhabitants Of The FGO Nasuverse Reacts To Outside Infinite Multiverse.

Chapter:000.(The List.)