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Tunic Ruined Atoll guide: how to get the green key in TunicLearn how to complete the Ruined Atoll and get the green key in Tunic
Learn how to complete the Ruined Atoll and get the green key in Tunic

Want to find the green key in Tunic?The green key is hidden at the top of the library, which is a skyscraper reaching far into the clouds above Tunic’s world. However, to reach the library you must traverse the Ruined Atoll.
In this guide, we’ll walk you through how to reach and complete the Ruined Atoll so that you can get to the library and find the green key inTunic. If you haven’t already, we suggest heading to theForest Fortress to get the red keyfrom theSiege Enginebefore venturing into the Ruined Atoll.
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How to reach the Ruined Atoll in Tunic

Ruined Atoll guide
Ruined Atoll power block 1: Northwest corner
Ruined Atoll power block 2: Northeast corner
From the save point, head West down the stairwell again and make your way to the large statue in the centre of the Ruined Atoll. From there, take the path North past a treasure chest and over to the East stairwell stretching down from the entrance. Lift the ladder here to unlock a shortcut back to the start of the Ruined Atoll, and then head back along the beach. Continue East of the statue in the centre and follow the dead power line across the water. On the other side, turn left and follow the slopes up to the power block at the top. Pray here to activate it, and then make your way back to the entrance again.
Ruined Atoll power block 3: Southwest corner
Ruined Atoll power block 4: Southeast corner
After activating the final power block, head to the central statue and pray to make it lift. This activates a teleporter, so run into the raised statue and stand in the middle to get warped away with a flash.

How to get the green key in Tunic
When you spawn, you’ll find yourself on a plateau above the clouds. Grapple over the broken bridge and then continue grappling around the corner to the right. Climb the ladders and go through the door to enter The Great Library. Head down the ladders and climb the stairs on the North side to find another set of ladders.
At the top of this tower, you will find the Librarian. This is an incredibly tough boss fight, so make sure you have levelled up plenty.
After defeating the Librarian, grab the green key from their body and head back into the Library. Fast travel back to the Overworld and make your way to the Sealed Temple to deliver this key.
That covers everything you need to know to survive the Ruined Atoll and get the green key in Tunic. If you aren’t sure what to do next, check out ourcomplete Tunic walkthroughto discover your next steps. Before facing the Librarian, make sure you havegot the shieldandwand in Tunic, as they’ll prove invaluable in this battle.