Mistaké

An elderly woman, who goes by the name Mistaké, owns a tea shop within Ninjago City.

Spellbound (Flashback)
Following the end of the Serpentine Wars, Mistaké was part of the council that ordered the banishment of the Anacondrai generals to the Cursed Realm. When Arcturus begged for mercy, Mistaké claims she never heard of it.

Tick Tock
Master Wu visited her shop, requesting Traveler's Tea. At first she claimed not to have heard of it, but upon receiving payment, she brought the tea out from behind the counter, warning him of the consequences before Wu tells her he will not bother her again.

Day of the Great Devourer
Lord Garmadon entered Mistaké's shop, asking for Traveler's Tea. She told him that only a fool would request the tea, but after recognizing him and realizing that his request was serious, she changed her mind and went to retrieve some from the back of the shop.

Child's Play
When the Ninja were reduced to children and menaced by a resurrected Grundle, Master Wu and Nya went to Mistaké's shop with a request for a special tea, which she replied that they are all special and calls Wu an old fool before Nya refers to what Mistaké knows is Tomorrow's Tea. When she went to check her supply in the back, she was unable to pinpoint the tea's location. As a result, Nya and Master Wu were forced to rush to the Ninjas' aid upon finally retrieving Tomorrow's Tea.

Lost in Time
Present Wu informed the past Elemental Masters to find her and drink Obscuri-Tea to forget the return of the Time Twins.

The Oni and the Dragon
Lloyd, Jay, Zane, and Cole visited Mistaké's Tea Shop for the Tea of Truth to loosen Luke Cunningham's tongue. At first, she tried to claim not knowing her own name, but upon seeing Lloyd, she apologized for her rudeness because she didn't recognise his voice. Knowing they were after the tea, she goes in the back, warning them that the truth can be dangerous beforehand. Upon seeing a painting, Mistaké said it is the Oni and the Dragon. While Cole and Zane left with the tea, Lloyd and Jay stayed behind to listen to Mistaké's story about the Oni and the Dragon after she gave them the Tea of Enlightenment to visualize it. She also warns Lloyd not to let the three Oni Masks unite as they will resurrect Lord Garmadon, not as the same man that was his father, but a soulless being.

Big Trouble, Little Ninjago
Wu told Misako to tell the Ninja to take Lloyd to Mistaké's Tea Shop after he was injured in the fight against Garmadon. She makes a tea that comes with a consequence as the Ninja place their hands on Lloyd before having him drink it. It was revealed they didn't lose their powers, but Lloyd did. Before they left to fight Colossi, Mistaké gave them a packet "to go," which is later revealed to be Traveler's Tea. Lloyd later woke up after seeing a vision that Garmadon would be after Wu and as he and Nya leave, Mistaké gives Lloyd a parachute in a tiny bag, giving him advice that what to do and when to do it is what gives him power. She then explains that this battle wasn't the end, but rather a new beginning.

Iron & Stone
Skylor told Lloyd that Mistaké told her about where they were and needed assistance. Later, she and Lloyd have tea where she tells him where his friends are and reveals her name is not "Mistaké" and only got it because she made many mistakes in the past.

Personality
Mistaké is a little impolite but kind to some people, like Lloyd. She pretends not to have or know things like Traveler's Tea. But after being paid or recognizing people she knows, she either heeds warnings about the teas she sold or gives advice. It was all because of mistakes she made in the past, hence the nickname.

Appearances
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Season 1: Rise of the Snakes

 * 7. "Tick Tock"
 * 13. "Day of the Great Devourer"

Season 2: Legacy of the Green Ninja

 * 18. "Child's Play"

Season 4: The Tournament of Elements

 * 40. "Spellbound" (flashback)

Season 7: The Hands of Time

 * 66. "The Hatching" (flashback)

Season 8: Sons of Garmadon

 * 77. "The Oni and the Dragon"
 * 84. "Big Trouble, Little Ninjago"

Season 9: Hunted

 * 86. "Iron & Stone"

Video Games

 * LEGO Ninjago: Shadow of Ronin (non-canon)}}

Trivia

 * Her nickname is a play on the word "mistake."
 * In her first appearance, there was a child with her when Wu came to purchase Traveler's Tea. It is unknown if the child is a relative or a neighbor she was babysitting.
 * She is the second person to remark Lloyd's voice change in Season 8; the first is Cole.

Spoiler Notes

 * In the synopsis for episode 90, Two Lies, One Truth, it is revealed that Lloyd will "unmask" Mistaké.