User blog comment:FairyRaven/Fairy Tail Chapter 390: The Story of a Boy, Review and Commentary/@comment-85.221.190.231-20140627091616/@comment-7418318-20140628161542

Lucy summoned Saggitarius for the first time in the Phantom Lord arc. Lucy summoned the Celestial Spirit King for the first time in the Tartaros arc.

As for the Lucy being tortured part, there is the reverse with Gajeel you already mentioned, but she also gets tortured by Jackal to have a parallel.