He had finally left. Greed had finally abandoned his 'family'. Now the Homunculus was off to find a new one. A proper family. A family that cared for one another, a family that was happy to have him. Not like that hellhole known as the Humunculus family.
So he went off searching and it took him a long time (nearly 30 years) he had finally found Dunblith, he had finally found the Devil's Nest but most importantly, he found a place that he can call home.