Lethe is one of the Partners in Arcaea. She is obtained by purchasing the Ambivalent Vision song pack.



Lethe in Greek mythology is the goddess of forgetfulness and oblivion. It is also named after a river in Greek mythology, where anyone who drank from that river will experience forgetfulness.[1]


Lethe is portrayed as a demihuman due to the horns on her head.

She wears a dark gray sleeveless dress with ties on the vest of the dress. She also appears to wear an orange inner dress with a pleated white edge. The sleeves are separate from the dress and starts from the upper arm down to the waist, with the upper arm portion colored bright orange and gray for the lower arm. The wrists are pleated and white. Crosses are hanging on the edges of her vest. She wears black high heeled shoes and stockings.

She wields a giant scythe.


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Due to the scythe and demihuman appearance, Lethe appears menacing. Her name sake may hint to her purpose in the Arcaea universe.

Stats by Level

LEVEL 1 2 3 4 5 6 7 8 9 10
FRAG 47 47 47 47 48 49 50 52 54 57
STEP 60 60 60 60 61 62 63 66 68 72
LEVEL 11 12 13 14 15 16 17 18 19 20
FRAG 60 63 65 67 68 69 69 69 69 70
STEP 77 81 83 86 87 88 89 89 89 90


Lethe is functionally similar to Tairitsu (Axium), and is the reverse of Kou in terms of raw stats.

  • Her maximum FRAG stat translate to 1.40x fragment multiplier.
  • Her maximum STEP stat translate to 1.80x step multiplier for world mode.

It must be noted that Lethe's skill will flip the chart horizontally. This can serve the purpose to help players having problems with certain section that is dominant to a specific hand or break an already built up muscle memory to keep players independent of muscle memory. Not putting Lethe's skill into factor means that she is functionally similar to Tairitsu (Axium).


  • Lethe appears in song art for two songs in the game: Genesis and Lethaeus.


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Starting Partners HikariTairitsu
Story Partners Tairitsu (Axium)Tairitsu (Grievous Lady)Hikari (Zero)Hikari (Fracture)
Side Story Partners KouLetheEtoLunaSayaKanae
Collaboration Partners SapphireStellaHikari & FisicaTairitsu & TrinHikari & SeineTairitsu (Grievous Lady) & Chuni Penguin
Soundtrack Partners Hikari (Fantasia)Tairitsu (Sonata)
Limited-Time Partners IlithShirabeHikari (Summer)Tairitsu (Summer)AyuEto & LunaYumeNono ShibusawaHaruna MishimaRegulus (MDA-21)Pandora Nemesis (MTA-XXX)Chuni Penguin
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