The Shay-Keded, or “Sand-Slaughter” is a magical kopesh hailing from the forgotten deserts of Nehekhara. The blade steals the life-force of its victims into potent magical energy for its wielder. However, it holds a great curse that backlashes the wielder if the magical energy absorbed by the blade is not spent…
The spirit of a creature trapped in amber cannot escape to it’s afterlife / next incarnation / whatever.
Such trapped spirits can be contacted by those who know the right rituals and magical power derived from them – typically the power to control one individual of that species.
Can by quite powerful if the creature is a colony insect (ant, bee, wasp, etc) – simply control the queen and you command the whole colony.