if possible, I'll use earrings retroactively and read the "Menta" book in the Bible, and level up the pistol to 8.
starting position for the battle:
N 1 moves forward towards K (5)
K 3 moves forward (most likely) (2)
N fires from 8 cells away (10)
K 3 moves forward (4)
N reloads and moves 3 steps back (0)
K 3 moves forward (6)
N fires (5)
N reloads (10)
K fires (8)
N fires (0)