Once I was in this situation except there was a group of senior devs who acted like this. There were a lot of junior devs who were scared of these old gaurds. E

Once I was in this situation except there was a group of senior devs who acted like this. There were a lot of junior devs who were scared of these old gaurds. Everyone thought these people were untouchable. During my one on one with my manager, I mentioned toxic environment without naming names. My manager told me that management was aware of them but was not able to do anything since they never really crossed line and no one ever filed any complaints. He said if enough developers complaint then they can take action even without bullies crossing actual line. Of course, I didn't want to rally anyone to file complaints. But my manager told me they were not untouchable. So I started holding my ground and eventually bullies left me alone.