James roughly understood Karma. This entire world was connected by it, so he did not turn down the group’s request. Plus, Sophie once said that he was touched by Karma. Many of the people he knew have appeared to help him share his Karma. Initially, as the group had the choice to leave, they had little Karma with James. But once they followed James on his journey, their Karma with him would magnify. James fully understood this, so he wanted the group to share his Karma.
As for what lay ahead of