01. The afflictions (klesha-māra).
The evil of earthly desires, hindrances arising from earthly desires.
02. Aggregates (skandha-māra).
The evil of the five components, or hindrances arising from the five components of life;
03. Death (mrityu-māra).
The evil of death, the hindrance arising from the death of oneself or another practitioner.
04. Demi-god (devaputra-māra).
The heavenly evil, hindrances attributed to the workings of the devil king of the sixth heaven.