Parmenie

The land over which Rivalin, and then Rual, were lords, and where Tristan is raised.

Cornwall

The home of Tintagel, King Mark's castle in England

The Love Potion

Queen Isolde of Ireland creates the love potion to be administered to the young Isolde and King Mark on their wedding night. She entrusts it to Bragnane and she leaves it out of her keeping on the ship to Cornwall just long enough for the exhausted Tristan and Isolde to find and drink it.

The Poison on Morgan's Sword

Queen Isolde uses her knowledge of herbs to tip her brother's sword with a poison to which only she knows the antidote.

The Splinter

The piece of Tristan's sword Isolde kept from her uncle's mortal wound, and that she matches up to Tristan's sword to learn his identity as her uncle's killer.

The Dragon's Tongue

The beast had to be...