Sheila was with other fugitives in the woodlands near the Iron Fortress, living off trapping wildlife and robbing travelers. Stealth, cunning and an eye for shooting arrows are good traits in the woods, and Sheila has them in spades. She had a good life, until a warlord decided to clear them out. After killing dozens of troops without stemming the tide, she felt it was time for a change of scenery, and fled.
She is fast, agile and extra deadly with any type of bow she can get. Hit-and-run is where she excels, and is too fragile to get bogged down.