From GAF (we already knew this though):
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i was looking at the teaser and i noticed something 23 seconds into it
It is a type of cryptogram style and i found out an actual privateer named Olivier Levasseur, also know as La Buse, used this type this style in his will were he said "Find my treasure, the one who may understand it!"
I tried to decode it using the assumed alphabet used in Olivier's cryptogram but i cant figure it out
also at the end of the teaser it shows the island of St. Mary, off the coast of Madagascar, circled. This is the same island in which Olivier Levasseur had set up a base around 1721 and began conducting raids of that base with a couple of other pirates
I finally figured out the cipher using a Freemason cipher alphabet
Decoded it says: memento mori
A Latin phrase meaning "remember that you will die" and serves as an artistic or symbolic reminder of the inevitability of death. This phrase is probably related to the skull seen at the end of the teaser
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But its so weird... I imagine a lot of fans being disappointed over no Nate :/ How the fuck are they gonna jump between two characters? And Nolan hasnt spilled the beans yet either. Im scared. Maybe its just a whole new story and reboot.