The situation is ideal for Arsenal. The Villains are already looking for his replacement should his exit from the club come to fruition.
Douglas Luiz has spent a few seasons adapting to the Premier League and he now finds himself on Arsenal's agenda. A club with aspirations of getting back to the top of the Premier League places, and staying there. According to 'The Daily Mail', the narrative is such that Aston Villa like the idea of selling their player. This is because his current market value is around 18 million pounds.
The cited source even reports that the Villa board are already working on finding a suitable replacement for Luiz should his exit come to fruition. Knowing how important he has been for the club since the 2017/18 season, the board will be clear on their task to search the market for a player that matches his quality.