According to Elsa, she had some of the Bloodgempower via a genetic inheritance from her father, and it was present in her blood, indicating that she didn't only gain power via the Bloodstone Choker, but was born with power.

She has an unspecified level of super strength, she has demonstrated immunity to vampire bites, her blood will destroy a vampire if consumed as the original Bloodgem fragment itself was an anathema to vampires.