To setup redirrection for the subdomain to
http://www.borninblood.co.uk/risingdeath then go through as follow
Cpanel >> Manage SubDomains >> Setup Redirection.
If the redirrection is not working then add the following rule into sudomain directory then .htaccess file.
————–
RewriteEngine on
RewriteCond %{HTTP_HOST} ^sudomain.maindomain.com$ [OR]
RewriteCond %{HTTP_HOST} ^sudomain.maindomain.com$
RewriteRule ^(.*)$
http://www.borninblood.co.uk/risingdeath [R=301,L]