Luke could make his ax target the fortress, and then he would use Checkpoint to arrive at it, but he couldn't take Danielle with him. Leaving her alone wasn't also an option, so he would leave Rina behind again. The only problem was Nambra… she was strong, so he certainly wouldn't leave her behind and risk the chance of letting her attack his friends.
"You are coming with me," Luke said. "I spared your life, so it is time to make yourself useful. I don't care about your goal, but you will have to pay the debt that you owe me now."
"Yes, master," Nambra said.
"I am not your master, so don't call me that," Luke said.
"Yes, Luke," Nambra said.