Nulled Wordpress Themes are free premium templates not useful for your business. You must avoid them for two reasons:
- They are illegal. These templates are protected by copyright and you have to buy a license to use them.
- Most of them contains a lot of malware which can destroy or manipulate your website and personal data of your users.

Behind a premium theme, there is hours and hours of working. Stop download illegal themes.

Your username would just give the impression that you sell them