Kalimán El Hombre Increíble: El Valle de Los Vampiros #2

Kalimán, determined to bring justice and recover the Romanoff emerald, escapes with astonishing boldness in order to uncover the truth, eventually managing to track down the killer.
But the criminal heads to Rinley that very night to deliver the gem to the person who commissioned it—for a price beyond his wildest dreams.

However, Smith is unaware that the one who requested the jewel is a descendant of one of its former owners: the fearsome Count Bartok.

What powers does the Romanoff emerald hold?
Is it true that everyone who possesses it meets a violent end?