Soul Star

The Soul Star is an alien artifact that acts as the symbol of the Aeons and, according to the, contains the power of life itself. A small, crystal fragment of it is currently in the possession of, who wears it around her neck as a necklace and uses it to help focus her psychic powers. Over time, it has also had a strong effect on April's emotions, and she has gradually become so attached and protective of it that she will instantly become hostile to anyone who tries to touch it (as shown when she slapped Donatello's hand away when he reach out and asked April if he may look at it).