How did The Destiny Cycle storyline evolve?

Core Q&A Expanded Answer

That question has a long answer, so I made it a BLOG post on my website. Here’s the link: https://www.destinycycle.com/blog/destiny-cycle-evolution

Other Core Q&A Expanded Questions

Are Spirit, Aether, and Life the same Druidic Element in The Destiny Cycle?

Does The Destiny Cycle feature enemies who become allies against a greater threat?

Do the Celtic and Norse peoples remain enemies throughout The Destiny Cycle?

Does Breanna permanently prevent Ragnarök?

How does Livie use Time-Threads to guide the Warriors of Destiny?

How does intent guide Tuatha Time Magic?

What is Síol-Radharc in Warriors of Destiny?

What are Time-Threads in Warriors of Destiny?

Is Badb Catha's balefire the same as Druidic Fire magic?

Does Eoin Mac Cairbre control all five Druidic Elements?