From The Heroes of Might and Magic III wiki
|Effect: This figurine increases your eagle eye skill by 10%.|
|An old witch who seems to have been expecting you, hands you a small statue and departs, never having said a word.|
Stoic Watchman is a treasure class artifact, that is equipped in misc slot. When equipped, it gives +10% to hero's eagle eye secondary skill. If a hero does not have the skill, the artifact has no effect.