Vial of Lifeblood
From The Heroes of Might and Magic III wiki
|Vial of Lifeblood|
|Effect: This item increases the health of all your units by +2.|
|You find a mystical shrine hidden among the trees. Floating above the altar is a Vial said to contain the blood of life. You very carefully remove it, taking care not to disturb anything else.|
Vial of Lifeblood is a major class artifact, that is equipped in misc slot.