To glory in something is to relish it openly and even boastfully. Glory in a victory.
The point is letting everybody see how pleased you are, which is half the pleasure. To glory in something is close to gloating when the thing is somebody else's loss.
1phraseglory inTo relish something openly and even boastfully, letting everyone see how pleased with it you are.
“They glory in a reputation for being difficult.”
glory in is an action.
Also accepted in games: gloat over