He's back. But he's not quite his old self. Black Hand, on the final page of last month's Green Lantern #42.
That's the thing, many Black Lanterns at his age start to notice they can't perform as well as they use to. For some this can be an emotionally upsetting moment, and they my long for the good times.
And you will be reviving corpses to create your own Dark Army, in no time.
Side effects include include warmth or redness in the face, neck, or chest; stuffy nose; headaches, stomach pain, nausea, diarrhea, an inability to differentiate between the colours green and yellow, Loss of hearing, ringing in the ears and dizziness, and the possibility of the slaughter of all life form in the known multiverses.