do pedestal chamber in trial chambers sometimes don't have ominous vaults

The "Pedestal Chamber" and "Ominous Vaults" are terms that may not apply universally because they seem to refer to specific settings or elements within a particular game, story, or fictional narrative. Without knowing the exact context or source, such as which video game or fictional universe you are referring to, it is difficult to provide a precise answer.

In general gaming terms, both "pedestal chamber" and "ominous vaults" could be levels, rooms, or areas within a game world. The presence or absence of certain features like ominous vaults in pedestal chambers would depend on the level design, game mechanics, and narrative choices made by the game developers.

If you can provide more information about the game or context where these terms are used, I might be able to give you a more tailored response regarding the relationship between pedestal chambers and ominous vaults in that specific setting.