The Arcanorin Adventure

You look around the room, searching every nook and cranny. As you search the back wall, however, it trembles, and a giant stone face half comes out from the wall.

"HALT, traveller. I am Sarral. I am one of the guardians of this dungeon. What is it you seek?"

You shout out that you seek for the Sword of Justice.

"Very well. Should you wish my assistance in your quest, give me truth. Three truths I seek. Here is my first."

"There are other legendary swords in this world besides the one you seek. Another sword was Excalibur. Who was the owner of this legendary sword?