Cariocecus was the god

God

God is the English name given to a singular being in theistic and deistic religions who is either the sole deity in monotheism, or a single deity in polytheism....

 of war

War

War is a state of organized, armed, and often prolonged conflict carried on between states, nations, or other parties typified by extreme aggression, social disruption, and usually high mortality. War should be understood as an actual, intentional and widespread armed conflict between political...

 in Lusitanian mythology

Lusitanian mythology

Lusitanian mythology is the mythology of the Lusitanians, the Indo-European people of western Iberia, in the territory comprising most of modern Portugal, Extremadura and a small part of Salamanca....

, in the cultural area of Lusitania

Lusitania

Lusitania or Hispania Lusitania was an ancient Roman province including approximately all of modern Portugal south of the Douro river and part of modern Spain . It was named after the Lusitani or Lusitanian people...

 (in the territory of modern Portugal

Portugal

Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

). He was equated with the Roman god Mars and Greek Ares

Ares

Ares is the Greek god of war. He is one of the Twelve Olympians, and the son of Zeus and Hera. In Greek literature, he often represents the physical or violent aspect of war, in contrast to the armored Athena, whose functions as a goddess of intelligence include military strategy and...

.

The Lusitanians

Lusitanians

The Lusitanians were an Indo-European people living in the Western Iberian Peninsula long before it became the Roman province of Lusitania . They spoke the Lusitanian language which might have been Celtic. The modern Portuguese people see the Lusitanians as their ancestors...

 practiced human sacrifice and when a priest wounded a prisoner in the stomach they made predictions by the way the victim fell down and by the appearance of the victim's innards. Sacrifices were not limited to prisoners but also included animals, horses and goats specifically. That was confirmed by Strabo

Strabo

Strabo, also written Strabon was a Greek historian, geographer and philosopher.-Life:Strabo was born to an affluent family from Amaseia in Pontus , a city which he said was situated the approximate equivalent of 75 km from the Black Sea...

: "They offer a goat and prisoners and horses". The Lusitanians cut the right hand of prisoners and consecrated it to Cariocecus.