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Morgott, The Omen King is one of Elden Ring's most challenging bosses, especially in his first appearance as Margit. Now that you've overcome his final roadblock and defeated him in Leyndell, Royal Capital, you have acquired his Great Rune. But, before you can use the power of Morgott's Great Rune, you must first activate it at a Divine Tower.

Related: Elden Ring: How To Activate Malenia's Great Rune

Great Runes provide immense additional strength in a variety of different ways, but they must first be activated at a Divine Tower. Even after activation, the power of the Great Rune will only apply when you use a Rune Arc. Let's take a look at how to get and activate Morgott's Great Rune, and what it does once activated.

How To Activate Morgott's Great Rune

Morgott stares down the Tarnished Warrior as they prepare for battle.

Morgott's Great Rune can be activated at the Divine Tower of East Altus. This tower is located near Leyndell, but can only be found by following a specific path. To activate the Great Rune, ascend the tower and interact with the dead Two Fingers at its peak.

How To Find The Divine Tower of East Altus

avenue balcony site of grace on map in leyndell

The Divine Tower of East Altus can be found by following a path from Leyndell, Royal Capital. Starting from the Avenue Balcony Site of Grace, head northeast along the main road towards the closed gate. Push open this gate, then continue along the path past the Misbegotten enemies, killing or evading them.

At the end of the path, turn to the left to find a lift. Activate the lever here to send yourself up the tower. At the top, continue straight and kill or evade the Leyndell soldiers. Keep heading straight across the bridge and deal with the Leyndell Soldier on a horse. After this, it's a straight shot forward to the next lift. If you want, take the lift down to reach the Forbidden Lands Site of Grace, which will provide a close checkpoint for the upcoming encounter.

Whether you activated the Forbidden lands Site of Grace or not, take the southeast exit from the top of the tower lift. After taking a few steps across the bridge, the world will go black, and the Fell Twins will appear. These two bosses must be defeated in order to continue.

After the Fell Twins are down, continue southeast along the bridge until you reach the Divine Tower of East Altus. Ride the lift to the top, and activate Morgott's Great Rune at the base of the dead Two Fingers.

What Does Morgott's Great Rune Do?

morgott great rune in inventory

The effects of Morgott's Great Rune are pretty simple; it will increase your maximum HP. When activated, Morgott's Great Rune increases your HP by 25 percent, after applying other HP increasing effects like those from buffs, equipment, and spells.

While not the most interesting, Morgott's Great Rune will provide a large chunk of additional HP that will allow you to survive bosses later in the game. Just be sure to use a Rune Arc to gain the effects of the Great Rune.

Next: Elden Ring: Complete Guide And Walkthrough