fatalitate
The process whereby a first person gaming figure causes the eventual - but not immediate - demise of another first person gaming character
Did you see that Death Dwarf fatalitate those Forest Faeires?
fatalitous
(adj) comparison of fatalities; to use fatalities in the comparative or superlative form
The most fatalitous tornado of that night was the 3rd E-2 tornado that spawned killing 8 people.
The aftermath of the storm was more fatalitous than the storm itself.
The aftermath of the storm was more fatalitous than the storm itself.