Hellblade is from Ninja Theory, the same team that brought you Heavenly Sword, Enslaved: Odyssey to the West, DmC, and worked on some Disney Infinity 3.0. Ninja Theory is a very talented studio that thrives in creating unique, colourful worlds, with fascinating characters.
Enter Hellblade. This game was revealed back at Gamescom 2014 and is being described as an "independent AAA" game. And independent it really is; you can watch a series of developer diary videos from Ninja Theory on YouTube that give you amazing insight into game creation and Hellblade itself. Check out that link if you want to know more about the game, and are interested in the creation process.
Hellblade is the story of Senua, who is trapped in a "hellish underworld" which is manifestations of her own broken psyche. Senua is mentally ill and the game reflects that in a way that few others even attempt to. It's a very stylised, dark and beautiful game, with much more close, brutal combat than Ninja Theory's previous titles. Watching the dev diaries you can see the incredible visuals the studio is striving for, which will hopefully be realised in the final product - due for release on PlayStation 4 sometime in 2016.