Health is the most essential resource. The starting value is 100 Health points. If Health reaches 0, Outlander dies, and he will have to return to life via a Soul Tether or a Shrine.
There are several items that may be used to recover Health. The Vial of Lifeblood heals for 10 Health points, and the Beaker of Lifeblood heals for 30 Health points. They are small vessels containing a red and black-colored fluid. Additionally, using a shrine will automatically heal the Outlander to full.
Alternatively, the Life Siphon Artifact can also allow to regain Health by slaying Enemies. The amount gained differs between different enemies.