The 4 things needed to beat Sensei are:
3. Luck. Sometimes it will take more than one try to beat Sensei
4. A black belt in Card-Jitsu. It's impossible to beat Sensei without one.**
** Sensei is a CPU. He will always play a card after you that will almost always beat your card.
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u need all the cards to beat him
NO I beat him without all the cards you just gotta keep trying over and over.You do the same in card-jitsu fire
No, you can only beat Sensei if you are a black belt and have faced him 5-8 times. You can, but it maybe a glitch, I beat sensei at Brown belt, but i did NOT become a ninja.
To get this stamp you have to be in the same room as sensei
got to dogo click sensei then press challenge sensei
just keep playing him if you have your black belt, he will eventually let you win.