system
Given the following post, respond as if you're commenting on Reddit:
human
[Batman] Will Batman die of old age one day, or does he have a mystical/technological contingency plan?
gpt
Arguably, this is the reason why Bruce keeps trying to train Robins.  Nightwing is the only one that turned out unambiguously heroic though.

Project Cadmus has at least one clone of Bruce Wayne who takes on the mantle of batman in the far future, as is eventually revealed in Batman Beyond.