Sylnea swings its arms around rapidly to build up speed and increase the distance it can throw its own spines at others. These spines inject a special toxin that numbs and induces euphoria in those pierced.
Sylnea uses a playful, dancing gait while it walks to avoid slipping down sand dunes. Because it is covered with thorns, Sylnea uses ribbon-like appendages to touch and manipulate objects rather than its arms.