system
Given the following post, respond as if you're commenting on Reddit:
human
[Dark Souls universe] Does the total amount of souls in the world remain constant throughout the cycles, or is it entropically going down with each rekindling of the first flame?
gpt
It's unclear, but implied that either there is some loss of souls each cycle, or that the threshold to link gets larger. We see in the final cycles of the world that the flame summoned several of the past champions who linked, and the unkindled must kill all of them to again link it.