Blood Mending: High Fantasy

Stumbling through the rain, she dropped a silk-wrapped parcel and had to kneel in the puddle to retrieve it. She bit her lip, tears starting to her eyes. She'd be beaten if the silk were ruined. She knew it. She knew she had earned it. If her blood could remove the stain, then it was her blood that would be spilled. It was a fair exchange. It would not be too bad, at least--the mistress had a lancet so keen that one hardly felt the pain when it began her bloodletting. Her apprenticeship agreement had set and specified the occasions on which she could be called upon to contribute blood. She was lucky; some unscrupulous masters--

Inspiration: "stumbling"
Story Potential: Medium
Notes: Started out a blah story about a poor apprentice dropping something and ended up fabricating a society where the primary means of magic is blood-magic. Interesting.