A heroic warrior who is not what he seems to be.
A blessing can also be a curse - and the last thing the world needs is an Orcish confidence trickster with an enhanced intellect and a penchant for storybooks.
A great warrior, cursed with an eternal life and a dark companion.
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.