The take on immortality in Avatar 2 is really interesting, because both sides get to have it.
spoiler
But on one side of the fence, you've got a familial connection that echoes through eternity with the spirits of one's family forever surrounding you and offering guidance.
On the other side of the fence you just have Eternal Employment, in which your immortal mind is a captive instrument for the profit of your masters.
One is this transcendent euphoric existence and the other is an allusion to hell itself.