Why is Lucy super powerful in tagahanga fictions?

Because she's amazing she summoned all of her celestial spirits when she was standing up for Loki to the Celestial Spirit King. She also helps Natsu, and the others all the time. She was targeted tons of times but she knew that she could trust her friends. But what get's me really mad is that LUCY AND NATSU AND TONS OF OTHER PEOPLE HAVEN'T HAPPENED YET INCLUDING IN THE MANGA THE may-akda sinabi THAT HE WAS GOING TO MAKE NALU HAPPEN. Zavis happened but that went down hill. Jerza almost happened but no