You've a lot of good ideas here, some of the models have too much going on or fall short in detail just a bit.
Your scimitars blade looks good but has too many faces, if you were looking to drop your poly count for ingame i'd suggest not using a lot of points on your curves.
With your other models, Razor sharp and the Godsword i'd suggest you taking a look at the models blades. You want the blades to appear sharp, on the edge of the blade try using select rope to grab the 2 or 3 points in the same area and Ctrl + j them. You'll find that once you make it look sharp your model will feel a little more realistic.
I'd also suggest investing in your hilt detail, as much as you don't see the grip of the blade you can still see the drop model of it. Also, where the blade attaches to the hilt is a major area for design. Here you can do what you want, you can go crazy or you can keep it simple, you can make it look fancy. This is totally up to you, but you'll feel better when you make an amazing hilt to go with a sharp blade.
Over all, good effort. Keep it up!