Can I shoot and use one of my buffs?

Or is it a one or other deal?

>>move to A14
>>ready rifle and lose a shot onto the tentacles sucker flesh.
>>cast heal on scare. Both faith

If not. 

>>move to A14
>>fire on tentacle as before. Save determination.

>>both times should a loud yeeeeeee haaaa and give the tentacles a true Texan  welcome.