How fast would it take for a homunculus to logically develop?

Weird question, but, here it goes. As you guys may have noticed, I've been asking a lot of writing questions, basically because I'm getting towards my end game and plan to start writing my webcomic by this summer. As such, I've been asking quite a few world building questions, so bear with me. Anyway, one of the villains for my MC (Drew) to face will be a homunculus clone of himself. Like, I kinda make arcs centered around specific villains, so, the villains of that arc is a science organization known as Genesis. While they're not evil per se, their head certainly is. Their head's idea is basically to engineer a disease to wipe out the dwarves, elves, and orcs, as well as the other non-human sentient races. Genesis winds up creating some minor arc villain, such as resurrecting his best friend as a vengeful monster. One such villain they create is meant to act kind of like their attack dog, a homunculus they created using the blood of the hero and incubating it with a philosopher's stone. The homunculus has nearly identical abilities to the MC's original power set (he can use fire except much more powerful). So, I just wanted to know, how long should it take to create him, and, also, what would keep him going, I wanted to make it clear he's not fully human (when the villain kills him he draws out a power source that makes him disintegrate and die).

It's your story and it is clear that you are not striving for realism nor does the story of yours have a set of rules that stay consistent.

Therefore, the answer is "it takes as much time as you want for it to take".

Logically, if it's not a homunculus in the sense of a miniature human, then it's going to take nine months plus whatever amount of years it took for the original person to grow the size that said person already is. That's just size.

Which is why logic is your enemy, because then your character will always be as many years older than the homunculus as when your antagonists began to grow it. Developments such as experience should take exactly as much time as it took the original, unless there's stealing the mind duplicate or trapping the homunculus is some other dimension with fairyland time (so it's like a human experience microwave oven that goes "ding" in 30 seconds and it's done.)

So, might as well A.) throw away logical developments and have the process happen instantly or B.) have the development of the homunculus go at the speed of plot.

You can make it something that the antagonists can't repeat because it was a steep cost of some resource or another, or if you do want to repeat the same process later on in the story but need it to go slower or mutate or otherwise be limited then contrive some mechanics then, or if you want to repeat the same process but describe it as happening more efficiently then you can contrive some then. Probably. I don't know anything about your magic system.

edited 1st Apr '15 5:00:31 AM by Faemonic

Its not instantly, though i didnt put a frame on the length of time.