You are correct, ominously is the proper choice.
I believe that Beowulf credits God for the retrieval of treasure. He thanks God for letting him have this opportunity to make his people rich by taking the dragon's gold. The truth is, God probably didn't have much to do with that, because it was Wiglaf who had to go into dragon's lair to get his treasure.
Option 4 “Overpowered” suggests the narrator’s lack of control.
Answer:
It's very detailed in color, and the quartz looks very amber-ish and golden, it's a beautiful rock :3
Explanation:
:3