So this could theoretically be a Tome Warlock’s path to immortality?

Yeah seems to be by Robin D Laws in Dragon Magazine 298

Ed can be praised and blamed for a lot of things, but I don’t think this specific bit is him

Looking it up, this is from Dragon Magazine 298 in an article by Robin D. Laws

So the door itself had a sorta embossing design of an incomplete web. You would have to complete the webbing but there is a trap part that, if connected, triggers active, offensive traps. With a good investigation roll, my arcana and a Web spell from the rogue’s cloak, we did the puzzle and the door opened itself

It was sealed with magic (I had detect magic going) and no handles, locks or visible seals

We don’t exactly have a lot of time for that though because a war is on

Hey, we just go through fighting an aspect of the Spider Queen (The local Lolth expy), in which I had my max HP cut in half and was the only one downed because of it. Was kinda fizzled at that point