Swept off into mysterious lands

Sam and Dean are stranded in Mirkwood Forest, and when a pack of wargs and orcs appears, they are lucky to find unexpected help in the form of 13 dwarves and a hobbit. But when one of their rescuers is hurt, choices have to be made on both sides. Set mid season 8 (SPN)/DOS (Hobbit), T for language, majorhurt!Fíli, minorhurt!Dean, caring!KíliDeanSam, no slash whatsoever. Spoilers!