I've been running a few D&D 4e games for a year or so and since I want to play more often, I would like to run a 1-on-1 adventure for a friend of mine. I've been looking around the web for published 1-on-1 adventures and haven't had any luck at all. Everyone is just giving advice about creating them from scratch. So I would like to ask if there's an actually published adventure/campaing for just one DM and one PC?
I usually modify and tweak published adventures to extreme extents, but still, I'm not confident enough about building an adventure from scratch, because I would be afraid to mess up the overall balance.
Thank you in advance!