13 Dwarves, A Wizard, A Hobbit, and a Hostage

She was on an adventure, riding to visit the Lord Elrond of Rivendell when she was taken by the dwarf. Now she's forced on an adventure she never planned to take. She's given two options: ride with them to almost certain death and face a dragon, or try and escape and die in the process. What's a powerful elf to do?