Blood Shower was a acquired and used by Kain during the events of Blood Omen: Legacy of Kain. Kain found it during his visit to Vorador's Mansion. This spell allowed him to drain and feed with the blood of up to four nearby enemies, while the other victims that were in the vicinity would suddenly die nonetheless. Also, Kain would had to avoid using this spell around creatures with tainted (black/green colored) blood, that could surely poison or harm him. Also, bosses are unaffected by this spell. Like many other of Kain spells, Blood Shower was only used in Blood Omen: Legacy of Kain.