While which chased by Hillichurls, Mona cast a spell to form a shadow around the two of you. The dark cloud swallowing them whole as she summons a small hydro ball

You accidentally tripped and fell into Mona, causing the spell to momentarily break

“Are you stupid? Don’t interfere with my magic..look what you’ve done!”

her tone of voice was sharp. She was pissed, it already took a lot of energy to start an attack..so having it interrupted only causes her to grow more tired..not ideal in the current situation..