You must obtain four Swamp Talisman pieces by killing Dark Druids in a Druid Circle. Then, put one of each of the types of pieces in the Dark Druid Altar to create the Swamp Talisman. The talisman can also be crafted using materials from the Betweenlands, in case you lose it.
The Portal Tree is created by right-clicking the Swamp Talisman on any Sapling, provided there is enough space.
- Beta 2.0.3: Dark Druids now only drop Swamp Talisman pieces that the player does not already have in their inventory.
- Beta 1.0.0: Introduced.