FormerlyHemlock
Hero
It doesn't have a sphere of annihilation in it. But then, neither did the original. The text of the new one is literally copy-pasted out of the old one, and says that the green face has an effect similar to a sphere of annihilation. If characters step into it they disappear. The end.
Ah, good.
I've actually never run the Tomb of Horrors before, I've only heard the legends, but I'm glad that insta-kills are still in it because it implies that the conversion is willing to put player characters in genuine danger, which is where I find the most fun is*. Looking forward to my copy now.
* There is in my opinion nothing more fun than when a new player, through his own fault, winds up in a situation where the DM says with complete candor, "I think you guys are about to die"--and then somehow they don't! Taking risks and pushing the limits is how you learn the game. Quote from my newest player: "I'm willing to die a few times to learn when to be cautious though." IMO that attitude leads to a fun game.