Satou is shown around the city by Zena when they encounter demi-human slaves who are being abused by a mob.  But prejudice isn't the only problem when everyone suddenly finds themselves deep in a dangerous labyrinth.
You can trade them for various 
things with merchants.
يمكنك أن تستبدلها بشتّى الأشياء مع التجار
y puede cambiarlos por varias cosas
con los mercaderes.
y puede hacer trueque
con los mercaderes.
Si possono scambiare
 con un sacco di cose dai mercanti.
Pode trocá-los por
diversas mercadorias.
и обменивать у торговцев
 на различные товары.