Complex sentence: Then Askin poisons Nimaiya's blood and places the Soul Reaper in a situation where he would die from the poison or from bleeding it out, Nimaiya has Tenjirō Kirinji replace his blood with hot spring water before finally killing Askin.
Split into simpler sentences: Then Askin poisons Nimaiya's blood and places the Soul Reaper in a situation where he would die from the poison or from bleeding it out. However, Nimaiya simply has Tenjirō Kirinji replace his blood with hot spring water before finally killing Askin.