достигая наконец верою вашею спасения душ.
for you are receiving the end result of your faith, the salvation of your souls.
obtaining the outcome of your faith, the salvation of your souls.
obtaining as the outcome of your faith the salvation of your souls.
The reward for trusting him will be the salvation of your souls.
Receiving the end of your faith, even the salvation of your souls.
receiving the end of your faith — the salvation of your souls.
receiving the end of your faith, [the] salvation of [your] souls.