Planet Zi has been devastated by an event called "The God's Fury," leaving the remaining survivors to rebuild their civilizations with the help of “Generators” – giant structures that provide life to the earth and fuel for Zoids. Ruuji is a young boy who helps his father retrieve Zoids from the bottom of the ocean, and recently they have extracted a Murasame Liger. But when the Digald army tries to attack Ruuji’s village, the boy jumps into the Liger and discovers he can fight back! However, in the midst of the battle, the village’s Generator is damaged and needs repair – and it’s up to Ruuji to fix it. Now, along with two Zoids pilots and his Liger, Ruuji sets forth to search for a mechanic, and to discover the destiny of himself and his Liger.
Auldrant is a world governed by The Score, an ancient prophecy divined by Yulia, which foretells the fate of all things. Thus, the Order of Lorelei is founded with the sole purpose of determining and upholding The Score. However, there always will be those who struggle against fate. Luke is a spoiled young noble of Kimlasca who yearns to be outside of the walls of his mansion. He spends his days spurning the advances of his fiancée Natalia and training with Guy, his friend and bodyguard, and his teacher Van, Commander of the Knights of Lorelei. During an attack on the mansion, he ends up in Malkuth, enemy territory. When he tries to return home, he soon finds himself embroiled in a worldwide conflict between those who would uphold fate and those who would defy it.
Both of these animes stride to achieve a lot, and successfully do so. In both shows our protagonists are both highly sheltered individuals who become exposed to the suffering in the world, and seek to change. Over coming great obstacles, our protagonists and their companions change their worlds. If you're looking for an anime with a big adventure, filled with an intriguing plot, humor and action and enjoyed either Tales of the Abyss or Zoids Genesis, I recommend the other to you.