Nimona is a stand-alone science-fantasy graphic novel by author/artist ND Stevenson. First serialized online between 2012 and 2014, Nimona was published in book form in 2015.
Lord Ballister Blackheart dreamed of becoming one of the kingdom’s heroes. After he lost an arm during a joust with Ambrosius Goldenloin, he also lost all hope of becoming a duly appointed hero. The Institution that rules the kingdom (de facto, but powerful nonetheless) used the injury as a pretext to eject him.
Blackheart believes his maiming to be no accident and has devoted himself to opposing the Institution. Thus far, his schemes have been marvelous in every respect … save that of actual success.
Enter Nimona, aspiring sidekick.