See Thymesia in vid form, watch here.
"Thymesia is a gruelling action-RPG with fast-paced combat and an intricate plague weapon system. In a kingdom where death spreads, play as a mysterious character known by the code name "Corvus". Prey upon your enemies, wield the power of disease and find the truth in your own memories."
At a glance categories:
Souls-like, Difficult, Hack and Slash