Seamus was noted for having a tendency to make things explode, although this was usually unintentional. However, during the Battle of Hogwarts, McGonagall recommended that Seamus aid Neville Longbottom in destroying the Covered Bridge, recognizing that his particular talents would be of use
- Professor McGonagall: "Why don't you confer with Mr. Finnigan? As I recall, he has a particular proclivity for pyrotechnics."
- Seamus: "I can bring it down!"