Walkthrough strategy video for Angry Birds Epic Pig Lair Level 4 (Chronicle Cave 9). Pig overload! In Cave 9 new enemies are summoned regularly so pick your bird line up accordingly. Personally, I found that Pigiana Jones’ counter attack works great in this cave, especially when given to a bird that damages all enemies. Cave 9 was added in the v1.0.14, which you can read more about here.
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