Eren jumped down to her and droppes to his knees and picked her up in his arms. "Kaika?" he looked down at the device. He reached down and tugged on it, hoping to pull it off.

----

(It kind of looks like the symbol for when people use magic on Fairy Tail)

Armin smiled. "Impressive..." he said out ooud, nudging himdelf off of the tree and walking towards them.