Okay, so this one makes me think of Anne Rice’s stuff immediately—though it's been years since I picked up 'Interview with the Vampire'. The amulets there are more like relics, less cursed objects. The classic vampiric amulet curse usually boils down to eternal life as a burden, not a gift. It’s never just 'you live forever and get cool powers.' There’s always a price: a thirst that can never be truly quenched, sunlight that burns, an emotional numbness that sets in over centuries. I’ve seen variations where the amulet binds the wearer’s soul to it, so destroying the amulet means true death, but keeping it means you’re forever tied to this physical object. Makes you vulnerable.
Sometimes the curse is more psychological. I read a serial once where the amulet didn’t just create a vampire—it slowly replaced the wearer’s memories with those of its previous owners, so over time you became a collage of different people’s lives and regrets. That one stuck with me because it was less about blood and more about identity erosion. Another common one is a parasitic relationship; the amulet 'feeds' on the life force of others through the wearer, forcing them to kill to sustain themselves and the artifact. It turns the vampire into a conduit for the amulet’s hunger, which adds a layer of grim inevitability to the whole blood-drinking thing.
The most overdone curse, honestly, is the 'eternal loneliness' trope. Amulet makes you immortal, but everyone you love dies. It’s a bit simplistic, but it works for a lot of romantic or tragic vampire narratives. What I find more interesting are curses that have specific, weird loopholes or conditions—like the vampirism only activates under a blood moon, or the amulet’s power wanes if it’s taken across running water. Those kinds of rules make the curse feel like a puzzle for the characters to navigate, not just a blanket state of being.