[He] seemed to possess, beneath it all, an immutable sense of self-assurance, but in addition to that, the look of a man ensnared by what he perceived to be his own Duty. A Duty that...

Beware of fame; for when they come for you, they come not to give, but for to gain.Whoever is needed, wields the most power.Whoever is needy, seeks to wield that power.

The more leeches there are affixed to a host, the less resources there are to siphon from said hosts, per parasite. The ability to only absorb energy, without the ability or desire to reproduce it...