She nodded slowly, staying quiet for a little while Loki called out to Thor. Riza didn't want to shout for she just couldn't seem to muster up her courage to shout out for to them. Not only that but if she was to shout out to her dad, she might give away that someone she cares for was here and could hurt them. 
Upon using his magic, Loki noticing evidence of footsteps being illuminated by his magic. There were many, one of them being noticeable to be Thor's. Riza was looking around, seeing them getting closer to the base. However, when looking a bit closer, she could see that there what seemed to be human soldiers scouting from within the base grounds. Riza saw seemed to be a big ice boulder. She pulled him aside to get behind it. Feeling that his clothes were extremely cold. "I saw scouts. Would be wise to sneak in somehow."