If the victim of such an attack fails a Fortitude save (DC 10 + the assassin’s class level + the assassin’s Int modifier) against the kill effect, she dies.
-Immunity to any effect that requires a Fortitude save (unless the effect also works on objects or is harmless).
-Immunity to poison, sleep effects, paralysis, stunning, disease, and death effects.
Pyrex said:Undead are immune to [Death] effects, but the Assassin's Death Attack is not a [Death] effect.
calypso15 said:It doesn't say that they're immune to spells with the [Death] descriptor. It says that they're immune to death effects. And you'd be hard pressed to convince me that "death attack" is not a death effect.
Calypso
Nope.Ardenian said:sneak attack works is the target is occupied or engaged in another battle, no?
Ardenian said:sneak attack works is the target is occupied or engaged in another battle, no?
SRD-Undead type said:Undead are not subject to critical hits,
SRD-Rogue-Sneak Attack entry said:Any creature that is immune to critical hits is not vulnerable to sneak attacks.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.