X-Men: Emperor Vulcan #2

Synopsis

The Shi'ar attack the Scy'ar Tal but even the might of Vulcan and Gladiator cannot take down the alien's powerful leader. The Starjammers contact the Scy'ar and identify themselves as the Shi'ar resistance but, as they are negotiationg with the alien leader, a massive stargate opens up and the Sky'ar drop a star on the Shi'ar world of Feather's Edge and destroy it. Vulcan calls for a truce with Havok.