How many great runes are there in the Elden Ring?

Maxxx17

Godric's Great Fleece: Drops from grafted Godric. Increases each attribute by five after equipping.
Radan's Great Fleece: The Star Spit was cast by Radan. When activated, increases HP by 15%, Stamina by 12.5% and FP by 12.5%.
Great Fleece of Malenya: Mikella's sword was dropped from Malenya. This restores some amount of health each time the player strikes after taking damage, turning Elden Ring into Bloodborne.
Morgoth's Great Fleece: Dropped from Morgoth, King of Omen. Increases the player's maximum health by 25%.
Great Rune of Rycard: Drops out of the blasphemous Lord Rycard. Each time they kill an enemy, they restore approximately 8.5% of the player's maximum health.
Great Fleece of Mog: Deposited from the Blood Lord Mog. Gives summoned ghosts a boon that gives the player a small health gain each time the ghosts kill an enemy.