Great Runes are shards of the titular Elden Ring that, once restored, grant you a benefit when equipped. Remembrances are consumable items that can be turned into unique weapons (or a whole bunch of runes). and there are all the great runes listed in Elden ring:

List of all Great Runes in Elden Ring
- Godrick’s Great Rune
- Great Rune of The Unborn
- Malenia’s Great Rune
- Radahn’s Great Rune
- Morgott’s Great Rune
- Rykard’s Great Rune
- Mohg’s Great Rune
1.Elden Ring: Godrick’s Great Rune
Godrick’s Great Rune is a Great Rune in Elden Ring. Godrick’s Great Rune Raises all attributes. Great Runes in Elden Ring are special items dropped by Demigod Bosses that can be equipped to acquire special passive bonuses.
Dropped as a reward for defeating Godrick the Grafted located at Stormveil Castle.
2.Elden Ring: Great Rune of the Unborn
Great Rune of the Unborn is a Great Rune in Elden Ring. Great Rune of the Unborn provides the perfect rebirth ability. Great Runes in Elden Ring are special items dropped by Demigod Bosses that can be equipped to acquire special passive bonuses.
Dropped as a reward for defeating Rennala Queen of the Full Moon located at Raya Lucaria Academy

3.Elden Ring: Malenia’s Great Rune
Malenia’s Great Rune is a Great Rune in Elden Ring. Great Runes in Elden Ring are special items dropped by Demigod Bosses that can be equipped to acquire special passive bonuses. Dropped as a reward for defeating Malenia, Blade of Miquella located at Miquella’s Haligtree – Haligtree Roots.
4. Elden Ring: Radahn’s Great Rune
Radahn’s Great Rune is a Great Rune in Elden Ring. Radahn’s Great Rune Raises maximum HP, FP and Stamina. Great Runes in Elden Ring are special items dropped by Demigod Bosses that can be equipped to acquire special passive bonuses.
Dropped as a reward for defeating Starscourge Radahn.
5. Elden Ring: Morgott’s Great Rune
Morgott’s Great Rune is a Great Rune in Elden Ring. Morgott’s Great Rune raises maximum HP. Great Runes in Elden Ring are special items dropped by Demigod Bosses that can be equipped to acquire special passive bonuses.
Dropped as a reward for defeating Morgott, the Omen King located at found in Leyndell, Royal Capital. Map Link

6.Elden Ring: Rykard’s Great Rune
Rykard’s Great Rune is a Great Rune in Elden Ring. Rykard’s Great Rune restores HP upon defeating enemies. Great Runes in Elden Ring are special items dropped by Demigod Bosses that can be equipped to acquire special passive bonuses.
- Dropped as a reward for defeating Rykard, Lord of Blasphemy located at Mt. Gelmir. [Map Link]
7. Elden Ring: Mohg’s Great Rune
Mohg’s Great Rune is a Great Rune in Elden Ring. Great Runes in Elden Ring are special items dropped by Demigod Bosses that can be equipped to acquire special passive bonuses.
Dropped as a reward for defeating Mohg, Lord of Blood in Mohgwyn Palace.