^ You really need to see last week's episode. 
The scarab is also apparently powerful enough to have "potential theological implications" in the comics.
Not sure how much of a role its origin will play but certainly the Kroloteans recognized it and bugged the hell out.

The current one is the first one who can use the scarab's full powers. In the comics, the technology is on such an advanced level that they are able to provide a defense and offense against magic.
The creators of the scarab are an Alien empire called the Reach who have tangled and won against the Green Lantern Corps. The scarabs are their infiltrators and fifth columnists.
Presumably this will play a part in Invasion.
The scarab is also apparently powerful enough to have "potential theological implications" in the comics.


Not sure how much of a role its origin will play but certainly the Kroloteans recognized it and bugged the hell out.