Gorgons: Gorgons, which first appeared in OD&D Vol. 2 , are still metal-skinned bulls with a petrifying breath weapon, and that makes them among my all-time favourite monsters. They haven’t changed at all statistically, although their breath weapon now has a more well-defined area of effect, and a limit on the number of times it can be used in a day. The entry here is actually quite sparse, ...

Read more from the original source: AD&D Monster Manual part 21