Please no!!
As for Medbie… it would be very easy to break her by increasing her speed too much or making her too hard to kill. I think the buff idea would be to change the second passive.
Bluff or Check - Upon entering, if you have fewer remaining monsters you add 2 rockoid and if you have more then Medbie gets a shield.
P.S. (to the Devs) It should say “fewer” rather than “less”. Less is for indistinct values (e.g for fluids like “less water” but people are a distinct number of people so it’s “fewer people”).