Dungeons&Dragons style, white-haired, bearded, vigorous old man garbed in gray silk robes, wearing a long wooden iron-shod staff, the staff is topped with a large gemstone

Create an image of a vigorous old man, inspired by the fantasy style often depicted in Dungeons & Dragons. He has distinguished white hair and a full beard, dressing in silken robes of muted gray. He holds a long wooden staff that's reinforced with iron detailing. A large and splendid gemstone crowns ...