“He passes on Malam Jumaat (Friday night). Hope Allah will bless his soul and put him among the pious in Heaven,” said a statement from PAS.
His son, Pasir Mas MP Nik Abduh, confirmed Nik Aziz's death via Twitter.
Nik Aziz was warded at the Universiti Sains Malaysia Hospital in Kubang Kerian after suffering a stroke. He has been suffering from prostate cancer.
Nik Aziz, PAS spiritual leader, was born on Jan 10, 1931 in Pulau Melaka, Kelantan.
He furthered his studies at Darul Uloom Deoband in Uttar Pradesh, India for five years and obtained a Bachelor of Arts in Arabic Studies and Master of Arts in Islamic jurisprudence from Al-Azhar University, Egypt.
Nik Aziz is able to converse in Arabic, English, Tamil and Urdu.
Second among five siblings, he joined PAS in 1967 and helmed the Kelantan government for 23 years as Chempaka assemblyman under the Pengkalan Chepa constituency.
Nik Aziz retired as Kelantan's Mentri Besar in 2013 and was replaced by his deputy, Datuk Ahmad Yakob.
He is married to Tuan Sabariah Tuan Ishak and has 10 children.