Lore-

After everything on the endless timelines, gaster decided to take integrity and perseverance for expirement on the DT Extractor before have a plan, he tells asgore before the evacuation and tells the population, and Asgore let's takes the 2 souls, the two of them was to rebuild the extractor, before it's finished, and put the two souls on the extractor, unless the human arrived for some plan, or does he..?