Citadel - 10

Cutscenes
The Knight Of Light has been defeated. The door the to next cave has been opened.

Strategy
Choose the following birds:
 * Red as Knight/Paladin
 * Matilda as Princess
 * Any bird whose attack always removes all helpful effects from the target
 * Jay, Jake, and Jim as Tricksters
 * Bomb as Capt'n
 * Adventurer Pig

Now follow the strategy below to win:
 * 1) Attack with all birds. If you have Capt'n as one of your birds, use it on Knight/Paladin.
 * 2) When Knight of Light is about to attack, use Protect (as Knight) or Devotion (as Paladin) on the targeted ally. If you are using Adventurer Pig, then use Counter on the targeted ally (or Paladin) too.
 * 3) Use Royal Aid on the targeted ally (or Paladin) until they are back to full health.
 * 4) Repeat until Knight of Light is defeated.