Rogue Leader can make all pigs to attack the same target after 2 turns. Like normal Rogue, he deals double damage.
Strategy of Defeating This Pig
You should defeat the Rogue Leader first, because he can command all pigs to attack the same bird after 2 turns. If he is defeated, all the enemies will not attack the same target.
Attack him until he dies.
Warning 1: The Rogue Leader will command all pigs to attack the same target after 2 turns.