Like Korra herself so often does, "The Legend of Korra" Book 1 bit off more than it could chew. Zaheer And The Red Lotus Are A Facile Depiction Of Anarchists Unlike Amon, Zaheer and the Red Lotus ...
After Korra’s battle with Zaheer at the end of Book Three, it took her three years to recover. Hence the big time jump heading into Book Four - which now looks to bring the epic journey full circle.