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2 swords and 7 spears - 24 bows and 2 horses - there's no point in attaching the save file.
As for the Naga, I encountered them in the game and lost 2 ultimate pitfiends, and from the demons, I got 3 demons. I added 1+1 harpies to the dendroids and split 1+1+13 gogs. I messed up myself, and the morale of the pitfiends affected the result, and after hiding the pitfiends, I had 7 demons, 1 devil, and 3 pitfiends ((. If it weren't for the pitfiends, it would have been easier (they hit evenly and took down an entire pitfiend - I didn't expect that).