[quote=@Thinslayer]
<Snipped quote by Avali>

The Mark of the Hero is a genetic modification that prevents muscle atrophy and promotes memory retention. Put simply, it lets you level up and keep your levels. The Mark is commonly thought to be heritable or divine, but reality is much more...

...interesting.
[/quote]

I mean, Sykes has one of those too if you think. His Mark of the Overseer (but his is more like a translation tool and master key). And he hasn't aged... Or I got something wrong from all the back and forth.