Question: pjj how to get ultimate life form?
Answer: The Ultimate LifeForm(ULF) is a spec that you can get by using an Aja Mask on Kars Spec. To get Aja mask, you must complete all of Jotaro's quest. By completing them, you must find a Red Stone Of Aja which can be found by killing Kira or you can find it in Italy or Morioh which it drops every hour with a 1/3 chance.