Connet still has value, as he had originally intended to extract the precise coordinates of the Core Relics.
Of course, it also shows that Dark Night is someone who still seems to honor his promises.
If Dark Night had ignored his own needs to repair his gun and rigidly adhered to promises, actually killing everyone as Connet suggested, he would not have grown to his current level.
"Out of commitment, I need to keep him alive this time. I hope none of you make this difficult for me," Dark Night surveyed the surroundings, and everyone, not daring to object, nodded repeatedly.
"You're going to be his bodyguard?" Theo carefully asked.
"How could that be." Dark Night grinned and shook his head, "It's just this one time, once he's recovered enough, it's over."
Theo slowly nodded, saying nothing.
The abrupt arrival of Dark Night steered the situation in an unexpected direction, outside everyone's plans.