Try reframing what constitutes toxicity in DBD. I know it really helped me when i started voice acting as the killer with a goofy voice. I don't know what you consider toxic, but some suggestions: killer voice being all lovey-dovey when hitting on hook and face camping, celebratory like a kid someone let win in cards when ground humping, "excuse me maam, you dropped your wallet, hello hello, excuse me!" increasingly desperately when tunneling, etc.

And close end game chat before reading it.