Disclaimer: I don't own the Lord of the Rings. I'd have written it different. Legolas, the ringwraiths, and Sauron would have had a much bigger role.
A/N: This is an AU. It starts before the hobbits meet Strider. And it will be totally original from the point were they first come across the ringwraiths.
The Moon is Dark in Mordor
Prologue
Frodo looked up at the darkening sky from his seat on the large black horse. The Black Rider had pulled the small hobbit up in front of him and was keeping a claw-like hand clamped on his shoulder. 'I wouldn't jump of anyway' Frodo thought bitterly knowing if he did so he would either be trampled or would die when he hit the ground considering the breakneck speed at which they were traveling. Feeling fear prickle up his spine he noticed a dot in the sky that was getting bigger. As it got closer it took on wings and a rider. The creature passed about 30 feet over them and circled around. Frodo looked over the Black Riders shoulder and saw that the man was cloaked similar to the rider and frowned.
The rider kicked the horse as the man on the creature hovered over the horse. The rider stood in the stirrups and grabbed Frodo around the waist. The cloaked man above them leaned over and grabbed Frodo under the arms and pulled. There was a loud hiss and then a curse as Frodo's full weight was put into the mounted mans arms , showing he wasn't quite ready. Frodo stayed as still as possible not wanting to be dropped. When Frodo was safely seated the creature surged forward and the rider faded away.
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Sorry this is so short but I'm gonna write another one and post it soon. Please review. Flames will be used to warm my room.