To reach 100% completion, Get all of Ithunn's Apples, find all of the God Shrines, and find all landmarks (special landscapes). You can view the landmarks on the map by looking for circular symbol. Also use all the Mimir wells/shrines because they also qualify as landmarks.
| Achievement | How to unlock
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| - Defeat Kaunan, the terrifying Fire jotun.
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| - Defeat Isa, the mighty Winter jotun.
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| - Defeat Fé, the magnificent Cave jotun.
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| - Defeat Odin without destroying any spears
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| - Find all of the God Shrines.
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| - Find all of Ithunn's Apples.
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| - Defeat Hagalaz without knocking her down.
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| - Defeat Fé without taking any damage.
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| - Defeat Hagalaz without taking any damage.
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| - Defeat Isa without taking any damage.
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| - Defeat Jera without taking any damage.
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| - Defeat Kaunan without taking any damage.
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| - Defeat Odin without taking any damage.
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| - Defeat Kaunan while at less than 10% health.
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| - Defeat Fé without using any God Powers.
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| - Defeat Hagalaz without using any God Powers.
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| - Defeat Isa without using any God Powers.
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| - Defeat Jera without using any God Powers.
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| - Defeat Kaunan without using any God Powers.
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| - Defeat Odin without using any God Powers.
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| - Defeat Isa using only the icebergs.
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| - Defeat Jera, the unmerciful Nature jotun.
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| - Defeat Fé in under 25 seconds.
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| - Defeat Hagalaz in under 60 seconds.
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| - Defeat Isa in under 60 seconds.
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| - Defeat Jera in under 25 seconds.
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| - Defeat Kaunan in under 80 seconds.
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| - Defeat Odin in under 60 seconds.
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| - Defeat Fé without attacking her in melee.
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| - Defeat Odin, the Allfather.
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| - Defeat Jera without killing a single vine.
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| - Defeat Hagalaz, the mesmerizing Storm jotun.
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