One of the benefits of Legion and its Artifact system was that it brought a lot of older lore about Azeroth and its universe to life in new ways.
If you're not familiar with a Tinfoil Hat edition of Know Your Lore, here's the deal.
The origins and purpose of Kaja'mite are a mystery.
The Zandalari were the first Troll empire to rise.
The Pantheon made the only decision they could rightfully make when they chose to imprison the Old Gods.
They are the ancient Highborne dream deferred.
He wanted to set the world on fire, but not to destroy it.