That's not true. They've shown off artwork that looks like you're typical, vanilla fantasy setting.
They've also talked about what we can expect in the game, plus some generic story beats such as
"This idea – that a diverse group of individuals with different skills and strengths can work together and become more than the sum of their parts – is what inspires us. It inspires the fantasy world we are building"
I understand very little has been revealed, but at the moment it's not getting my member throbbing.