Theres no actual way I can tell you. All you have to do is try and try and sensei will get weaker. Soon you can defeat him. Remember to wear your black belt into the battle or this won't work.
Do 3 of your best cards, 1 bad card, & then your best card.
You need to be a black belt
you talk to sensi and if you beat him at card jitzu you will become a ninja you talk to sensi and if you beat him at card jitzu you will become a ninja
this is how you beat sensei 1.first you have to earn your black belt 2.once you have earned your belt (blackbelt) you fight him hopes this helps :buddyman2807
to beat the sensi you need to earn your black belt then challenge him
You have 2 b a black belt and by luck, it happens.
easy just click but you have to be a black belt keep triying
if you wont to beat sensi on club penguin you have to have a black belt.if you are a black belt then you have to play with sensi.i know its very hard but if you keep playing and playing the sensi gets confused and starts to lose.there is an another way which is by buying a code.if you have a code you can win sensi very easily but it even ok without a code just keep playign with sensi and you shall win!!!goodm luck!
all you do is keep going to the sensi and remember to keep playing
It's like how you get the other coloured belts. When you get the black belt you have to vs sensi if you win you get the black head band.
u have to be a black belt to beat him. once you have a black belt challenge sensi a few times then he will weaken. fight him again, u will probably win
You have to go to Walmart and buy cards for it.
you have to beat sensi by getting black belt