One of the many puzzles in can be solved in Act 1 of the story within the Emerald Grove, which involves four unique runes placed near a statue in Nettie's Library. Two hidden rewards can be obtained if you take the time to find a special key held by a specific NPC. Like many secrets in the game, you'll have to make a few decisions or talk to the right people to find what you're looking for.
Your party can reach Emerald Grove after you defeat a group of goblins attacking the gate leading into the sanctuary near the Nautiloid crash. The uneasy alliance held by Tiefling refugees and the druids of the Grove makes up a good portion of the early story in. While there are many hidden secrets in Act 1, this location is almost impossible to avoid as you begin your adventure.
Nettie's Library must be unlocked before you can reach the rune puzzle by following the quest within the Emerald Grove. At this point in the game, every party member is looking for a way to remove the Mind Flayer tadpoles from your heads. Saving the grove from goblins gives you a lead on how to do this when you speak to any survivors of the fight in .
The side quest lists Healer Nettie as one of many possible paths to curing your rare condition. Other routes may include relying on the help of the eccentric NPC Volo in your camp during a long rest or tracking down a Githyanki Crèche, recommended by Lae'Zel in if you recruit her as a companion. Those looking to uncover the puzzle should not pursue these other leads.
Travel to The Hollow, or the deeper section of the Emerald Grove, where most of the Tieflings have taken shelter. You will want to track down the halfling vendor Arron in, who has a lot of information about the events happening in the Grove. You can
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