How to Get to Nokron in Elden Ring
You will need to go to third Church of Marika grace.
Go to south to a round Building.
And then move down Siofra River Well lift.
After that, you have to go to Siofra River well depths grace.
Use R3 to switch to Underground map.
And then make your way to Siofra river bank grace.
Get Nokron Underground map.
Go to Worshippers' woods grace.
Go to deep Siofra well lift.
You have to unlock lift with stonesword key.
Use deep Siofra well lift to go up.
And then go to deep Siofra well grace.
You have to defeat Radahn (see video Desc for link).
Afterwards, see cutscene of falling stars.
One star lands nearby.
Now you need to go back to Siofra river well.
Make a marker at Mistwood on map.
Go towards Mistwood ruins.
Falling star (meteor) Broke hole here.
After, go down through hole in ground.
Navigate down ruins exposed by hole.
Here is Nokron, eternal city.
Go to Nokron, eternal city grace.