Screen Rant

The Flash just introduced elements of Shazam mythology in its latest episode. 1 / 10

The episode picked up with the characters still processing The Monitor's doom-laden proclamations. 2 / 10

While Ralph dealt with family matters and Barry helped Frost deal with mortality issues... 3 / 10

...Cisco and Iris partnered up to greet the latest iteration of Harrison Wells to visit Earth-1. 4 / 10

Played again by Tom Cavanagh, he was revealed as Nash Wells... 5 / 10

...and he's seeking shards from the destroy Rock of Eternity known as Eternium. 6 / 10

The Rock of Eternity, of course, being the name of The Wizard's lair in Shazam Lore. 7 / 10

The same wizard that is responsible for Billy Batson's array of powers - implying he exists in the Arrowverse. 8 / 10

Although it opens a whole new corner of the Arrowverse, it remains to be seen how Eternium ultimately factors in... 9 / 10

....especially regarding Crisis on Infinite Earths, though it could be how the show ties in their version of Pariah. 10 / 10