The shadowy light of the cavern does little to reveal what lay ahead.  Melissa looked down the path and could see a large.. well something.  It could be a giant's head for all she knew.  The footprints that led toward didn't lead back, so it's possible whoever had come this way before continued on, or somehow met their end.  Would Melissa be defeated by a wall or block or... whatever?  No!  Melissa hastened her stride and approached the obstacle.