Mystic Gateways act as fast travel points in God of War Ragnarök. By interacting with such a waygate you will be able to travel to other waygates available at the current stage of the game.
Alfheim Tower
King's Grave
Lake of Nine
Sanctuary Grove
This mystic waygate will be unlocked when you complete the game's main storyline and then talk to Ratatoskr.
The Derelict Outpost
The Lost Treasury
The Oarsmen
To get here you must burn the vines preventing you from jumping over the chasm, which are located to the west of here, near the large metal arm lying on the ground.
Upper Wildwoods
Finding all Jewels of Yggdrasil is required to fully repair the Amulet of Yggdrasil. Initially the amulet has only 2 of 9 slots unlocked, each jewel allows you to unlock an additional slot. In total, you can find 7 jewels.
Jewel of Yggdrasil (Midgard #1)
It drops from the Frost Phantom during "The Word of Fate" main quest.
Jewel of Yggdrasil (Midgard #2)
You can find it inside the Midgard Legendary Chest (The Oarsmen).
Kvasir's Poems 14/14 - The Dead Do Not Ride
After opening the entrance to the legendary chest (by pulling a large chain), return to the cave and climb up again near the Nornir chest. The layout of the rocks has changed somewhat and this time you will climb into a small room where you will find the artifact.
Stolen Treasures 1/6 - Lyre
Stolen Treasures 2/6 - Fert
Stolen Treasures 3/6 - Maya
Next to the corpse, under the bridge.
Stolen Treasures 4/6 - Kila
Stolen Treasures 5/6 - Janbiya
You will find it in a small cave under the temple.
Stolen Treasures 6/6 - Ankh
It is under the stairs leading to the legendary chest.
Fjoturlund Vault Key Half 1/2
Fjoturlund Vault Key Half 2/2
You will find this half of the key in the Oarsmen's cave.
Inert Hilt of Skofnung
After acquiring this item, which will happen during the main quest "The Word of Fate", you will be able to activate Berserker Gravestones.
Nordic Gourd
This is one of the ingredients you need to find to complete the favor "Across the Realms".
You must find all the Odin's Ravens to complete the "Eyes of Odin" favor. When you find one of Odin's Ravens, you need to destroy it with one of your weapons. Once you've destroyed enough of them (6/12/18/28/38/48), return to the Raven Tree in Niflheim to open the unlocked legendary chest and receive rewards for doing that.
Midgard Odin's Raven (Lake of Nine #1)
Midgard Odin's Raven (Lake of Nine #2)
Midgard Odin's Raven (The Derelict Outpost #1)
Midgard Odin's Raven (The Derelict Outpost #2)
Midgard Odin's Raven (The Oarsmen)
Midgard Odin's Raven (Well of Urd)
You can find 60+ Legendary Chests in God of War Ragnarök, 53 of which must be found to complete all realms at 100%. None of these 53 chests can be missed. They are large gold chests and always contain some sort of reward.
Midgard Legendary Chest
It does not count towards the completion of this realm. Contains: Sonic Aftershock (Accessory). You can open this chest during the main mission "Old Friends", after the meeting with Freya.
Midgard Legendary Chest (Lake of Nine)
Contains: Lion's Roar Sauroter (Draupnir Spear Handle). To access this chest you must have the Draupnir Spear and use it to destroy the ice rock.
Midgard Legendary Chest (Raider Hideout)
Contains: Tartarus Rage (Blades of Chaos - Heavy Runic Attack). It's in the "Raider Hideout" cave.
Midgard Legendary Chest (Raiders Stronghold)
Contains: Cyclone of Chaos (Blades of Chaos - Light Runic Attack). This chest is in the "Raiders Stronghold" area.
Midgard Legendary Chest (The Derelict Outpost)
Contains: Ivaldi's Anvil (Leviathan Axe - Heavy Runic Attack).
Midgard Legendary Chest (The Lost Treasury)
Contains: Sigil Punishment (Accessory). To get to this chest you must start by moving the large shield covering the entrance to the right. Then you will be able to climb up it to the right side.
Midgard Legendary Chest (The Oarsmen)
Contains: Jewel of Yggdrasil. This legendary chest is located in the same room as the Mystic Gate but on the other side of the cleft so to get to it you must first go outside and walk around.
Midgard Legendary Chest (Well of Urd)
Contains: Rond of Purification (Shield Attachment). The chest is behind in a small room hidden behind a stone slab that you have to smash.
Midgard Nornir Chest (Raider Hideout)
It's inside the "Raider Hideout" cave. You must light three braziers to unlock this chest. The first one is located behind the red vines to the left of the chest. You must use sigil arrows and burn the vines and then use sigil arrows again to ignite the brazier. You can also use a grenade you find in the cave to ignite this brazier.
Midgard Nornir Chest (The Lost Treasury)
To unlock this chest you must ignite three braziers. To get to all of them you must follow the same steps that are needed to reach the Midgard Legendary Chest (The Lost Treasury).
Midgard Nornir Chest (The Oarsmen)
To unlock this chest you should throw your axe at three bells within a short interval. For this to be possible you must first remove the obstacle blocking access to one of them.
Midgard Nornir Chest (Well of Urd)
To unlock this chest you must light three braziers. They are all located on the surrounding rocks and all you have to do is to get close enough and use the Blades of Chaos.
Hilt of Skofnung
Effect: "The sword unleashes its power from the souls within." Upgrades increase the strength of this effect. It drops from King Hrolf Kraki in King's Grave in Midgard. This boss can only be fought after completing all Berserker Gravestones.
Mystical Heirloom
Effect: "Awakens something dormant, deep down inside of the bearer." You can use this relic to reawaken slumbering trolls and engage them in the fights.
Viking's Gift
Demise of Dagestr (Treasure)
Contains: Helheim's Force (Amulet Enchantment), 40x Shattered Rune (Unique Resource), 2x Asgardian Ingot, 2x Petrified Bone, 2x Luminous Alloy.
Viking's Gift (Treasure)
Contains: Midgard's Justice (Amulet Enchantment), 25x Shattered Rune, 1x Stonewood, 1x Dwarven Steel, 1x Honed Metal.
Across the Realms
To start this favor pick up the recipe lying on the ground near the campfire. To complete this favor you need to find four ingredients: Nordic Gourd (Midgard), Prongfruit (Svartalfheim), Bantam Melon (Vanaheim) and Elven Cap (Alfheim). Reward: Meal of Comfort (Permanently increases all stats by 5).
Animal Instincts
This quest will begin after you clear the first of four raider camps.
Guiding Light
This quest will start automatically when you find the first of the runes.
Sigrun's Curse
This quest will start automatically when you and your companion reach the door which is located in the same cave where the Midgard Legendary Chest (The Lost Treasury) stands.
Sigurn's Curse
This favour is automatically started after arriving at The Derelict Outpost Entrance.
The Last Remnants of Asgard
This favor will start automatically after the main storyline of the game and the end credits. At that time, you should be more or less in this location.
An Accursed Name
Blodugr Steinn
Love's End
This lore is located in the room you need to access during the "Sigrun's Curse" favor.
Receipt of Purchase
The Death of Helgi
This lore tablet is located in the same part of the cave as the Midgard Legendary Chest (The Oarsmen).
The Lost Pages 3/4
This lore is hidden under the floor in the room you need to access during the "Sigrun's Curse" favor. You need all four lost pages to unlock four Relics for crafting at the blacksmith.
Tyr's Helmet
Tyr's Left Bracer
Tyr's Right Bracer
Tyr's Spear
The Ashen God
A scroll lying on the ground.
Winter-Man?
Midgard Draugr Hole (Lake of Nine)
Drops: Chaos Spark (Weapon Upgrade), 60x Dust of Realms (Unique Resource), 3x Sovereign Coals (Unique Resource), 5000 Hacksilver.
Frost Phantom
You will come across it while traversing the illusory locations on the way to the Well of Urd. Drops: Jewel of Yggdrasil, Chaos Flame, 25x Shattered Rune, 25x Bonded Leather, 3x Stonewood, 3x Dwarven Steel, 3x Honed Metal.
Frost Phantom
It will show up when you destroy the ice blocking access to the legendary chest. Drops: Jotunheim's Endurance (Amulet Enchantment), 40x Shattered Rune (Unique Resource), 1x Luninous Alloy, 1x Asgardian Ingot, 1x Petrified Bone, 25x Bonded Leather.
Oluf Nautson
Drops: Token of Elemental Evasion (Amulet Enchantment), Crackle of Bilskirnir (Unique Resource), 30x Whispering Slab.
Visi Haglkorn
Drops: Jotunheim's Honour (Amulet Enchantment), 10x Bonded Leather.
Midgard Yggdrasil Rift (Lake of Nine)
You will reach this place by a staircase that has its beginning near the entrance to the temple. Contains: 5x Dust of Realms, 3x Stonewood, 4x Dwarven Steel, 2x Honed Metal, 500 Hacksilver.
Midgard Yggdrasil Rift (Shores of Nine #1)
Drops: 25x Dust of Realms, 4x Stonewood, 6x Dwarven Steel, 2x Honed Metal, 1000 Hacksilver.
Midgard Yggdrasil Rift (Shores of Nine #2)
Drops: 5x Dust of Realms, 3x Stonewood, 4x Dwarven Steel, 2x Honed Metal, 500 Hacksilver.
Closing all 6 Hel Tears is required to complete the favor "Hel to Pay". Hel Tears are the source of the Frozen Sparks. When you collect all 6 sparks then they will turn into the Frozen Flame, an item that will allow you to upgrade your axe.
Midgard Hel Tear (Well of Urd)
Contains: Frozen Spark, 3x Essence of Hel (Unique Resource), 40x Dust of Realms (Unique Resource), 4000 Hacksilver.
You will be able to activate Berserker Gravestones when you acquire the special item - "Inert Hilt of Skofnung", which will happen during the main quest "The Word of Fate". After activating them, you will fight a battle against unique opponents.
Midgard Berserker Gravestone (King's Grave)
King Hrolf Kraki.
Midgard Berserker Gravestone (Lake of Nine)
Fraekni the Zealous. Drops: Berserker Waist Guard (Waist Armor), 2x Tempered Remnants, 25x Shattered Rune, 25x Bonded Leather.
The Remnants of Asgard will become available when the main storyline of the game is completed. After the credits the favor "The Last Remnants of Asgard" should appear in your journal. Your task is to find the remnants scattered throughout the realms and destroy the Einherjar guards in the area.
Midgard Remnants of Asgard (Lake of Nine)
Midgard Remnants of Asgard (Well of Urd)
Nine Realms in Bloom. Collecting all nine flowers is the objective of the "Nine Realms in Bloom" favor. This favor appears in your journal when you find the first of the flowers. The flowers are located in places you will reach in the later stages of the game and some of them you will be able to collect only after completing the main storyline of the game. Once you collect all nine flowers, you will unlock "The Florist" trophy.
Mirkweed (Midgard)
Elevator
Ice Barrier
To destroy this ice barrier and open the passage you must have the Draupnir Spear.
Ice Rock
It can be destroyed with the Draupnir Spear.