@Kaben, Ah, yes, I meant that.

@Cyclone, I'll put those in. I have a paragraph for upgrading below. While in the original OP it said that this process does not have to take place in the Heart, I personally think it should take place in the Heart. Also, do upgrades affect all members of that species, or just future ones?

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If, later, you wish to make a major modification to one of your pre-existing creatures, then you have the option of upgrading it. This process takes the same amount of other people's posts as it took to originally create that creature. Unlike the original process, upgrading does not completely incapacitate you. If things go wrong, then there won't be an explosion, although completing the upgrade may be compromised.