Growing up Krang showed a great aptitude for being tall and imposing, his father, the guard captain, saw this as a great qualities to have in a guard and made certain that Krang joined. Krang rather liked being a guard, but alas things did not last. A great fire ravaged the town, taking both his parents with it. The only thing that survived was his fathers sword, a masterfully crafted falchion.
With nothing left for him in his hometown, he set out into the world.