Centuria
Julian, a young slave who has known only brutal misery, stows away on a ship hoping for freedom. When a violent massacre erupts, he makes a desperate pact with an ancient sea god. Granted the combined lives and superhuman strength of 100 slaughtered slaves, Julian must use his new abilities to protect an orphaned baby and survive. Written and illustrated by Tohru Kuramori.
Read Centuria manga in English, updated regularly. Also known as: ケントゥリア · Kenturia