When Stannis asks why he would need Davos ' help , Davos shows him the letter sent from the Wall .
Stannis orders Davos to be executed , but Davos tells Stannis that he will need his assistance .
When Stannis asks why Stannis would need Davos ' help , Davos shows Stannis the letter sent from the Wall .
Stannis orders Davos to be executed , but Davos tells Stannis that he will need his assistance .