Cooked meat cannot form the body of a 'meatball', and neither can frozen or decayed flesh.
Regardless, these lifeless body tissues are not completely worthless as meatball can, like normal organisms, replenish the energy necessary for its activities through "eating". Based solely on this, it implies that flesh golems are much easier to "raise" than those metal construct golems, which require high-purity magic crystals to survive.
Bartlett was sitting cross-legged on the ground, one hand resting on his chin and the other holding a leftover four-fingered demon's claw, whimsically playing with the meatball on the ground out of sheer boredom.
The demon's claw looked much like a wolf's claw, but the fingers were webbed with retractable, membrane-like flaps. An unspecified liquid, either blood or fat, continuously gathered on the claw, before dripping down the longest finger one drop at a time.
