User blog comment:Koushikck7/Help With squads/@comment-216.137.13.80-20150601000229/@comment-118.187.21.51-20150602143352

..you're level 74? Of course you can't kill them, not especially with that squad. You should wait till you get good premium units, and high enough cost to take on them. They have 750,000 hp, so it will take quite a while.