No missable achievements (plus 10 unknown)
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A mysteriously modern rune.
Do a full year walk without any hints.
48, 30, 42, 30, 18
A three letter word in the dark. Without it, it's silent.
Do a full year walk without looking at the map.
The owls sing a song that they learned in the lobby of a castle on a remote island.
Do a full year walk without uncovering the secrets of the rune and the doll. The grim will visit your dreams.
Year walk on New Year's eve.
Do a full year walk in 20 minutes.