Mako discovered he was a firebender at age four.
He remembers the night clearly. It was a warm spring night. Their family lived in a crowded and rundown apartment complex; the place had three rooms, two bedrooms and a kitchen/living room area on the second story. Their parents had sent both him and little Bolin to bed early. With no voices or movement coming from the street or other apartments it was an unusually quiet night. Almost as if no one dared to make a sound. The silence and Bolin nudging his side and drooling on the covers kept Mako awake.
It all happened so quickly that he's not sure what came first: the smoke or the screams.
Mako jumped out of bed and immediately began to cough. His heart fearfully pumped as heat and light flickered on just the other side of the door.
If they answered he couldn't hear them over the screams of their apartment mates. Another scream much closer than any of the others reached his ear. Mako turned to see his baby brothe