[He might be a trash gremlin who likes to lurk on roofs, but he's trying to have a motivation beyond either revenge or cleaning up Nidhogg's remaining mess. And as you so succinctly pointed out, he's killed enough dragons to be something of a political liability, so he's done about all he can for the latter.

Following the example of some more heroic types he knows will do for now.]

Would you rather be told, or have the satisfaction of puzzling it out for yourself?

[He crosses his arms and idly drums his fingers on his bicep.]

I am but a brutish savage, rudeness should be expected.