Like, a rebel like Hera or Ezra might stab Thrawn in the back. But since knife wounds can take time to process, Thrawn doesn’t even know.
Thrawn: Goooooooood morning, Imperials!
Pryce: Thrawn, a-hem. Um, you got a little…
Thrawn: Oh, a zit, Better take have it laser-removed.
Tarkin: Thrawn, may I bring to your attention… an object protruding from your back?
Thrawn: So Emperor, anyway the plans are going perfect.
Vader: Thrawn, you have a-
Emperor: It won’t be nice for him!
Vader: Master, guy requires medical aid!
Rukh: Sir, I’m short of a weapon, allow me to borrow your knife.
Thrawn: Sure, if I possess one.
Rukh reaches over Thrawn’s back and dislodges the knife.
Rukh: Thanks. Now I can slice this frozen butter.
-slaps forehead like a human-