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Sairento Shi
510-Sairento Shi Grimm Diary2

A Sairento Shi (sahy-REN-toh SHEE; Jap. サイレント "Silent" + 死 "Death") is a mantis-like Wesen that was seen in a Grimm diary in "Map of the Seven Knights".


When woged, a Sairento Shi's arms become blade-like, and its head and facial features become much more mantis-like, particularly its eyes, as well as two antenna-like appendages that emerge from its head. Their arms are capable of beheading someone.


This Wesen is very stealthy, careful, and precise. Their blade-like arms make them the perfect stealth killer, and in in Feudal Japan, they were known to be ninjas.

Excerpt from Grimm Diary

510-Sairento Shi Grimm Diary510-Sairento Shi Grimm Diary3


  • This is the first species on the TV series to have a name in Japanese.
Unseen Wesen in Grimm
Afrotherian Wesen Bhari Kadama
Amphibian Wesen Fossegrim
Avian Wesen Augapfel-Aushacken
Bovine Wesen Mordstier
Canine Wesen Lob Hombre, Volkodlak
Chimeric Wesen Ammit, Empousai
Chondrichthyan Wesen Ak-Moho-Alii
Decapod Wesen Karkinos
Feliform Wesen Abartige Aasfresser, Bastet
Feline Wesen Ukufu Okusheshayo
Hexapod Wesen Khepri, Sairento Shi
Lupine Wesen Grauhund
Meline Wesen Rotznasig Carcaju
Mephitid Wesen Faeteo fatalis
Monotreme Wesen Shnabeltiermörder
Pantherine Wesen Rißfleisch, Tefnut
Perissodactyl Wesen Abath
Primate Wesen Amarok, Handwerksburschen
Procyonid Wesen Waschbar
Pseudosuchian Wesen Trasque
Rodent Wesen Schmerzen-Kaninchen
Ruminant Wesen Spokelseshorn
Unknown Wesen Curupira, Fétide Taillader, Gefrierengeber, Leshy, Peau de la Mort, Sangrienta Manos, Schneetmacher, Waage

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