QA Team: Lawyer or judge?

What is the place of QA in the development - a lawyer or a judge, or a hangman? At what stage does the role of a specialist and attitude to the development in general and a particular project in particular change? Where development is enhanced by team building and consolidation of common rules, and where does the individual approach come to the fore? The answers to these questions are presented in examples and practices on the projects World of Warships and World of Warships: Legends.