How is he gonna create a virtual fight of people he never even met and saw fight. You cant just throw random centuries of timeskip and pretend that yeah he figured it out at some point somehow
Besides the silly imagination thing I like how we established that the elixir does nothing for his clothes before time skipping 3 millennia and his shirt and pants are just fine. No idea who his tailor is but I'd love to order some stuff from that place...
Man he living in Delulu land Oh what if he escapes only to get one tapped by some newbie and ntred Ohh or worse all his love interests despair so hard at his death they live horrible hollow lives of sadness and we pov swap to a goddess laughing and this turn into some sort of comedy series with a bored cruel goddess.