Ah--a tarantula, I think, because many tarantulas aren't aggressive, and they basically can't kill you...
Cirith Ungol. There's a bigger chance taking on 1 giant spider than 10000000000 Orcs. Anyway, Frodo, Gollum and Sam got through alive, and I don't think anyone made it through Black Gate, so, yeah.
Would you rather be chained to a log headed over Niagara Falls or slice your finger on a rusty piece of metal 2 months away from the nearest hospital?