The item you're looking for is the Necklace of Adaptation, costs 9,000gp. Ignore all gaseous hazards, breathe underwater and in a vaccum.
The item you're looking for is the Necklace of Adaptation, costs 9,000gp. Ignore all gaseous hazards, breathe underwater and in a vaccum.
Fizban's Tweaks and Brew: Google Drive (PDF), Thread
A collection of over 200 pages of individually small bans, tweaks, brews, and rule changes, usable piecemeal or nearly altogether, and even some convenient lists. Everything I've done that I'd call done enough to use in one place (plus a number of things I'm working on that aren't quite done, of course).