Requirements: must have completed the quest …is a famous Knight of the Round Table!
Go to 'The Round Table' in Camelot, ASK ARTHUR GRAIL and he will tell you why the grail is so important to him.
#####Percival of Cymru
Your first step is to find Percival (He is not huntable), but he is at 'The Edge of the Exmoor' which is north, north, and west from Bors.
ASK PERCIVAL GRAIL
#####Seeker of the Grail
Next you must defeat Mordred and find out what happened to Joseph of Arimathea in that order.
-Joseph of Arimathea
Go to Avalon and ASK KING JOSEPH.
Joseph will then come out to speak with you, ASK JOSEPH GRAIL.
He tells you of the heir of the maimed king.
Return to Percival at 'The Edge of the Exmoor' and ASK PERCIVAL HEIR.
#####Guardians of the Grail
Go to Camelot ask Galahad Pelleas, he then tells you of the story of the lineage of his family and to meet him at the strange rock.
You have two ways to find him, one through the maze of Exmoor or head to Caerleon and go to the Ferry man there, ask man passage then just to the west is Galahad.
Ask Galahad lineage. He then tells you to go to the Strange castle.
From Percival the castle is ne2ns2e
Ask King Grail. He gives you a cup and tells you to drink it. Drink cup to leave. (Time of writing, this quest is still broken. You will need an Imm to assist you to leave it)
From there You have one of three choices of who you can give the grail to for the final item.
Current Journal: Keeper of the Grail
You can give it to Galahad, Percival or Arthur. They give three different items.
Galahad - Galahad's warhelm
Percival - Platinum Bracer
Arthur - Mark of the Pendragon