[FGO] “Buying the Grand Assassin”

First time and maybe last time (I have 8 still so maybe i can get 2 more) using USOs, dedicated to the grandest of assassins.

BGM : https://www.youtube.com/watch?v=5vOY2GOHc4k

0:00 Rolling
2:17 Buying and leveling
3:07 Camazotz solo