How does Darren shan die?

Answer 1

In the final book he has a face of with Steve Leopard, in which it is revealed that Desmond Tiny has manipulated them both and that whichever one wins the fight will go on to wage an almighty war against the whole world, and kill millions of vampires, vampaneze and humans. Darren then stabs Steve, but allows Steve to stabs him too, then flings them both into a river where they both die.

He is then broght back to life by Desmond Tiny and a little person and dies after only a day, as his body fails