Vampiric Amulet in Heroes 4

Vampiric Amulet

Prohibits all spells not aligned with Death Magic from being cast.

Doubles the effect of Death Spells if this is possible, if not will cut the spell cost in half.

Increase all Evil creatures' statistics by +50% Damage, +50% Hit Points and +2 Speed.

Decreases all Good and Nature creatures' statistics by -33% Damage, -33% Hit Points and -1 Speed.

All creatures have Protection from Good and Nature cast on them.