https://symfonycasts.com/screencast/doctrine-queries/select-new-object

class YourDTO
{
    public function __construct(
        private $login,
        private $allYourFields,
        ...
    ) {}
}

$qb->select('NEW ' . YourDTO::class . '(c.login, c.char_name,c.id,c.sex,c.pvpkills,c.pkkills,c.online,c.online_time,c.last_access,MAX(cs.level) as lvl,sub.name,sub.clan_id)')