Royal Bomb is a bomb, he can deal a very high damage to all birds after 2 turns. But lucky you, this enemy self-destructs. But unlucky you, this enemy can deal high damage and he can sometimes kill all of your birds or some birds instantly. Most can be summoned by Prince Porky.
Basics
First Apparence
Cobalt Pig Castle, summoned.
Strategy of Defeating This Pig
If there is 2, just use Chuck to kill all of them.
Warnings
Warning 1: This enemy can deal high damage and he can sometimes kill all of your birds or some birds instantly.