Pendant of Death
From The Heroes of Might and Magic III wiki
|Pendant of Death|
|Effect: Wearing this item renders hero's units immune to the Destroy Undead spell.|
|A quick and deadly battle with a Necromancer wins you his magical pendant. Later, a Wizard tells you that the pendant protects undead under your control from spells meant to destroy them.|
Pendant of Death is a treasure class artifact, that is equipped in neck slot. When equipped, the pendant renders hero's troops immune to the Destroy Undead spell.