: In other words the terrain that you place will look exactly like the forge
: canvas below it. This way everything flows together perfectly. This lets
: your forge maps look smooth and not just bundled together

: Sounds like much more malleable terrain that will have a much more convincing look.

No? No one said anything about terrain deformation being in (unless you meant something else by "malleable").
I wonder though, they said it samples the textures of the terrain, maybe they meant the textures wrap onto it? That seems unlikely, but that would make it look like you're adding a piece of ground and moving it around. I suspect it just looked odd in the short clip though.

: Can't talk about weather effects, but we can say that there is fog and
: different settings for each map that include lighting and more.

: Weather effects! Fog! Forge maps will be so much less sterile

They slipped in a mention of wind too, in the picture before the color section.