This is original! An NPC that comes in a bottle. I like this idea..
I wouldn't bother with the phylacteries. Its magic - no need to create a storage container for memories, and I think it unnecessarily complicates the core idea. If you must, perhaps it takes over a small portion of the pill-popper's own mind to store its memories, which could then potentially 'leak' into the user's own consciousness. Go to Comment
"BB9, bring up the current scout results."
"I'm sorry, Coach. I can't do that."
"BB9! Bring up the scout results."
"These kinds of us, Coach, use serial numbers on our products."
"BB9, are you malfunctioning?"
"You need to indicate college basketball mentors you are significantly devoted to the adventure!"
The two men in black suits turned to each other. Their faces were white.
"Someone get the president on the line! Tell him that our ICBM handler thinks that its managing a high school basketball team!"