The man is the chieftain of an Aztec Tribe that flourished in Mexico between the 12th and 16th centuries.
He is the second character introduced in the entire series, and serves as a prefigure to the power of the Stone Mask. Although his opening scene is omitted from the anime adaptation, he appears as part of a mural in the ending sequence, Roundabout.
The chief appears as a man of muscular build with long shoulder-length hair. He is only shown wearing the Stone Mask. He is shirtless with a leopard pelt cape, leopard pelt wristbands, a necklace with fangs, and a loincloth.
As the leader of his tribe, he is viewed by his people as proud and powerful. He is shown to be power-hungry, as he declares that he has finally gained eternal life after becoming a vampire. He also seems to be careless in regard to his people, as he slams one of his followers into the ground after draining their life force. His tribe is known to be cannibalistic and hold sacrificial rituals similar to the one shown.
After obtaining vampiric abilities from the Stone Mask, the chieftain demonstrates being able to drain the life force out of people. In addition, he also demonstrates incredible strength, creating a large crevice from slamming a human into the ground.
During the 12th-16th century, the chieftain sacrifices a maiden on an altar as part of a ritual. The Stone Mask the chieftain wears absorbs her blood and pierces his brain, turning him into a vampire, he proudly announces that he's gained eternal life. Then he asks one of his cult members to become one of his life force; the member agrees, and so the chieftain absorbs the member's blood. The rest of the tribe cheers for the chieftain.
It is unknown what happens afterward, as it is stated that he and his tribe disappeared from history, leaving only their ruins, never to be seen again. Nonetheless, the time of his tribe was the earliest known appearance of the Stone Mask.
Chapters / Episodes
He appears as a Campaign Support Character in All-Star Battle with his mask granting the player an increase in strength and defense.