Suffering

Suffering as an anti-energy separated from the Wither to make its own entity and energy. This entity is called Suffer.

Suffering as an energy
Instead of slowly killing off all it touches like wither, suffering causes unbearable pain, loss of stamina and the feel of hunger and thirst. It is dark grey by colour but appears similar to withering.

Suffer as an entity
Suffer is one of the Apocalyptic entities, Famine. It works as the Wither's partner most of the time, as its cause of suffering in the people eventually leads to death.