He wanted a hunt with uniquely challenging prey and the opportunity to obtain a living trophy for his collection.

[Jonathan's lip curls up, unable to hide that white hot disdain any longer. this is all especially repugnant to him because it hits similar chords to Dio's rampage - all those people mangled and thrown about simply because they could be, as if they were animals.]

He tried to justify himself with the mess the Hornets had caused.