Behemoth frontman Nergal, real name Adam Darski, has confirmed the serious illness he previously refused to identify is leukaemia and the disease has developed so far that chemotherapy can't help him.
The extreme metal outfit from Poland recently cancelled all touring plans as Nergal confirmed he needed immediate medical attention.
Now it's been revealed his fiancee Doda has donated bone marrow, although it's not yet known whether her DNA will match his.
Last week Nergal said: "I take my sickness at face value so I can understand and learn more. Most illnesses like mine are healed by positive thinking I don't rely on faith, but on belief in myself. But let's just say this is a very strong enemy."
The frontman has been the subject of controversy in his native Poland after a series of attacks on the Catholic church. He was threatened with prison after tearing a Bible to pieces in 2007 and calling the religion a "murderous cult". Behemoth have been threatened with a national banning order in Poland, although action has never been taken. Their most recent video, for the track Alas, Lord is Upon Me, was banned from YouTube. A censored version is now available on the site.
Leukaemia causes the body's bone marrow to generate too many underdeveloped blood cells, meaning the blood is not capable of replenishing the body's systems. Around 300,000 people are diagnosed with the disease every year, with about 200,000 dying from it.
Thanks for the report to RockRadio.