Heathcliff is the guild master of Knight of the Blood (Kob) in Sword Art Online game. Heathcliff has the unique skill called “Holy Sword” which make him to be strongest player in SAO.
Heathcliff wields the one-handed sword and a tower shield collectively called Liberator. He also was able to hold off the boss of the 15th level for ten minutes by himself, which earned him the title “Man of Legend”. It’s also rumored in Sword Art Online that Heathcliff’s health bar has never gone into the yellow zone.