Round table

Actually, petrification on Viv doesn't cause many problems, even though it seems impossible; it just makes the gnoll stack a bit worse in this case. The probability of double petrification is very low; if I'm not mistaken, it's 4%.
And in general, I repeat, the Medusa on the first map is tough; here, dimples and a Hollywood smile don't help. :D You need to think about every move and not lose fighting spirit if the girls suddenly start having morale or ability issues.