Order 66 was never really shown to be a particularly efficient order in the Star Wars galaxy. Rogue Jedi who survived the purge crop up enough that you begin to wonder if Clone Troopers were ever more accurate in their blaster fire than their Stormtrooper descendants. But that’s not going to stop young Cal Kestis from…
Source: io9 – In the New Jedi: Fallen Order Trailer, the Fire of the Jedi Flickers Once More