User blog comment:Kmilott/Overpowered Vampire Knives?/@comment-1466854-20131113102647

As a true endgame weapon, which vampire knives are, their survival capacity is unmatchable, but their overall damage output is rather mediocre. They're a great weapon, but compare them to every other TRUE ultimate weapon in the game. They fill a niche. They're good as they are now.