Holy C! So stolen. And i have a place to incorporate it, too
And to think my players already had a chance to glimpse at a "jelly pit" filled with writhing mass of assorted oozes (they run without fight, so wise of them).
Just one remark.
Those within also begin to suffocate
Shouldn't it be more to the lines of "those within must hold their breath, as per underwater rules, or begin to suffocate