What is a symbol of Bontsha the silent?

There is no known character or concept called "Bontsha the Silent." It's possible you might have misheard or misspelled the name.

Could you please provide more context or clarify the name?

For example, is this a character from a specific book, movie, or TV show? Or is it a character from a game?

With more information, I can assist you in finding the symbol you are looking for.