Just before dying, the alien lowers the shield by using his own glowing blood, the substance that powers the control device. Despite her being rescued, however, Judith insists that she is still trapped by the shield—the imagined shield, perhaps, of her own guilt over killing an alien who thought only of helping her.
Just before dying, the alien lowers his shield using his own glowing blood, which powers the control device. Despite being rescued, Judith believes she is still trapped by the shield—perhaps a mental one, stemming from her guilt over killing an alien who only wanted to help her.