Controls:

WASD - move

Shift + WASD - sprint

Left Mouse Button - attack

Hold(!) SPACE to enter Draw Dash Mode, then draw your path by pressing Right Mouse Button, release SPACE

Dash spends 5% blood

F - heal 10% HP for 10% blood (you have to stay still!!!)

Useful tips:

Be aware of traps

Purple bottles restore your blood (20%)

Lore:

The game takes place in necrolands where necromancers and undead rule. 

And necromancers in their research of trying to create a potion of eternal life use people as lab rats.

Plot:

Main character is one of the lab rats. He got an experimental potion which made him a vampire.

He wants to escape the prison and it needs him to destroy local sun which powers whole building.