She flew underneath the skull's mighty jaw, feeling the coruscating magical aftereffects of the pony's sorcery lingering around its tremendous bulk. She emerged into the skull through a space beneath the jaw and looked around the eerily lit interior. The various strange runes and markings the pony had drawn still thrummed with eldritch power. The unicorn herself was located towards the front of the jaw, near the dragon's incisors… or its equivalent.