Poisoning Walter with her words

Eighty thousand karma points?? Are the pills gold plated?? 

Don't be poor, doc. 

... 

So she couldn't get any amoxicillin from the alchemy engine. Ji-ho had a plan B and she wasn't sure how well that would pan out. 

"Are you going to just sit there and stare at his leg or are you going to do something?"

Ji-ho turned around and smiled though she wanted to throttle the woman. 

"I need to go get some ingredients, aunt Jane." 

"Ingredients? Don't you have enough in the basket?" Her eyes were narrowed like she suspected Ji-ho was a criminal intending to run away. 

"No. I also need a paper, quill, and ink." 

"Have you lost your mind? Not satisfied with wanting to pretend you're a healer, now you also want to fool me into believing you can read and write."