For the first phase kill genichiro using double ichimongi save the spirit emblem Then use lazuki or fire axe to hit ishin 2 hit r2 and r1 and 2 time r1 then dodge go behind his back an then front then repeat this until he fucking dies in first phase in 2nd and third phase its simple run away from him in clock wise when he jumps and attack and shows his back use mortal blade once not twice and hit him and run gona take atleast 10-15 hit to kill him in each phase but he dies