All the Boss Cells now only drop from the final boss! You get the 1st one when killing him for the first time. The 2nd one can be dropped from him in "Hard" difficulty level. The 3rd one is dropped in "Very hard" difficulty level and the last one in "Extreme" difficulty level.


알파 버전 패치노트에 이거 있는데 베타에도 적용된 듯