Here is the full list of all 32 Nyasha Valkyrie achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Skuld Easy
Hlökk Easy
Róta Normal
Hildr Normal
Skögul Normal
Randgríðr Normal
Geirahöð Normal
Hjörþrimul Easy
Hildr Easy
GameOut
Randgríðr Easy
Sigrdrifa Easy
Róta Hight
Hildr Hight
Hlökk Hight
Randgríðr Hight
Herfjötur Hight
Sigrdrifa Hight
Geirahöð Hight
Hjörþrimul Hight
Skuld Hight
Skögul Hight
Hjörþrimul Normal
Skuld Normal
Hlökk Normal
Herfjötur Normal
Sigrdrifa Normal
Herfjötur Easy
Róta Easy
Skögul Easy
Geirahöð Easy
GameOn