In World Machines default colorscheme (Emerald Isles) the highest points in the heightfield will be White and the lowest watercolored. This may seem unintresting but remember when you sculpt your FH2 maps in World Machine you will have to in imagine how it would look like in game and then thinking, lets say that your level has the height of 80. White would then be 80 and Watercolored would be 0 and middle-green would be like 40. This helps a lot when trying to visualising what it would look like in game. Lets say your white would be mountainranges, middlegreen a hill and darkgreen/water the bottom of the river/lake/ocean if you have water in your map.

Important! You will always get a small preview of the current device in the small window to the right, this means that you can go backwards in your device setup to view your terrain in a previous stage and return to your final device. Each step forward we get closer to the final heightmap.

We'll start by adding a constant device to our project (you could just delete the default devices by marking them and press delete). Click the button and click on the grey overview and you should see a constant device, you could add more constant devices by clicking again but we'll settle with one for now.

Important! If youre gonna use a sea/water/lake in your level its crucial to start the build with a constant, if we would use a device that generates highs and lows the water would spread to parts of the level where it was not intended.

Info! Always use the Combiner device with "Add" on the highest setting, never ever use anything other especially not "Subtract" because that would make a hole in your constant and it would no longer be a constant. With "Add" everything will pile on top of the other and the crucial starting constant will be complete all the way and your water will not "overflow".

Double click on the device to get its properties, we'll add a height of 0.06250, use the slider or type it in manualy

Add a combiner next to the constant but we will not use it yet We'll start on our basic terrain with a constant and a perlin noise generator. Connect the constant to the Purple mask connector in the erlin noise. Double click on the Constant and we'll want 0.07813 as value. You can leave the perlin noise as it is for now, i made my own changes but it shouldnt matter that much you can fiddle around the settings if youre curious.

Your working area should look like this afterwards.

We will now combine all these parts in the way shown. As I said before the Combiner should be set to "Add" and max value/1.00000 otherwise this build will fail

You can now try your Build button and selecting the combiner/last device to se what it looks like. Switch back to edit mode with Ctrl+1.
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Now we will make a mountain.

Constant should be 0.42188 in height.

Place the radial grad wherever you want your mountain to be on the heightmap.

Add a perlin noise.

The Simple Displacement will make our mountain have a more irregular look, experiment till you get the result you want. I used: Direction 0, Strenght: 1.00000, Centered, Repeat edgde values.

The Erosion will add a worn and weatherd look to our mountain, I used the Flood of Slurry preset.This one is memory intensive so you might want to skip it with a low memory machine.

And now for the final touches.

Add a combiner and as always with "Add" at max strenght or 1.0000.

Add the River 2 macro from library. Fiddle with the settings until you get the river where you want it.

Add a File Output.