Nal didn't know what else to say, and no matter how hard she thought about it, the reason that The Lord gave them made sense. She then let Beldathiel decide whether she agreed to The Lord's plan or not and she was the only one who could make a change.
"If you destroyed those realities, Little Mykel would disappear. Everything that we have prepared to fight him will be gone as well," Luciel said as she looked at Beldathiel. "On the other hand, if we don't do it, we're all going to disappear because Elena can't fight forever," Luciel pointed out.
Beldathiel looked at Loki and she could see that Loki didn't want that to happen. Not only did Loki have to let go of her son, but she also had to let her son disappear and she couldn't take that.