I've completed the next section. Do tell me if I need to rephrase anything anywhere in the new OP.
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Creating Creatures and Constructs:

As mentioned above, to design a new creature you must enter your Heart and spend a while there distraction-free. The amount of time you spend there is determined by the Fibonacci Sequence. Your first creature takes 3 posts to create, your second takes 5 posts, third 8 posts, fourth 13 posts, fifth 21 posts, and so on. These are posts of other players, so you can't simply spam posts to create your creature. Each successive new creature is typically more powerful than the last, but it will be weaker than a Keeper or Construct and its power is limited by your own. Additionally, creatures don't get more powerful as you do. You may change their equipment and make minor, largely cosmetic changes, but any major overhaul will require starting from scratch.

While you are in your Heart creating a creature, all your attention is focussed on the creation of this new blueprint. If your concentration is broken, such as by a pesky hero kicking open the door of the Heart, then bad things happen. In short, your Heart explodes from misdirected magical energy, probably taking out your Avatar, your new blueprint and a sizeable chunk of your Dungeon (and hopefully whichever enemies were beating down your door too). Try not to let that happen.

While you personally can not attend to anything while you're busy creating new creatures, the other denizens of your Dungeon can continue working. Your armies will still defend your Dungeon and do whatever tasks you left them to do, and if you have any Constructs they can arrange raids, organise your troops and the like.

Constructs are like your general, sergeants and champions. They are far more powerful than ordinary creatures, although still weaker than all but the most pitiful of creatures. Constructs are also capable of leading and organising your forces in your absence, which makes them even more valuable. As well as greater power and (usually) intelligence than your ordinary minions, Constructs have a much closer link with Keepers, and can be empowered or even possessed if the need should arise (although you may need to be in your Heart at the time).

The creation of a single Construct requires the same process as creating a new blueprint for a creature. You must be in your Heart, undisturbed, for a period of time determined by the Fibonacci Sequence, as before. The more Constructs you already have, the longer it takes. However, the number of blueprints you have does not influence how long it takes to make a Construct, and vice versa.

Should you so want to, you can destroy all of the copies of one of your weaker creatures in order to lower the number of blueprints you have in order to speed up the creation of newer blueprints. The same effect occurs if you are unfortunate enough to have all of one type of minion wiped out. The same can be done of Constructs. Just be sure to do so before you start creating - no distractions or things go boom, remember?