[The last supreme being, the unrecorded "42nd person".
The person who appeared at the end of the game was clearly aware of his own death.
This article is a humble work written by the author after reading the original work and thinking "I feel sorry for Ainz and I hope someone can help him share the burden."
Note:
Thank you all for pointing out problems and giving suggestions.
The text is temporarily locked for overhaul (apologies).