She offers no quests or services, and has only one bit of information for the player:
Alexia Ironknife says: Greetings. Don't have too much time to talk -- I'm just using Chillwind as a camp to get some rest before heading to Hearthglen. I've heard word that before they went crazy, the Scarlet Crusade had a mage working for them who was trying to create powerful bows and guns for their soldiers. I'm not sure if he succeeded or not ... the Crusade killed him before any of his finished product made it out. Maybe they killed him to keep it a secret ... or maybe they distrust the arcane that much.