Jötunn Rune

The Jötunn Rune was one of the many runes used to open the Sacred Tree. It is wedged in a stone on top of the Troll Hill. It is shaped like a tree.

Role In Twisted Thicket Island
You can find it in a stone at the top of Troll Hill. To do so you must get past various angry trolls.

Trivia

 * Jötunns are a race of monstrous giants in Scandinavian mythology.
 * The Jötunn rune could be a reference to Jotunheim from Norse mythology.