Soul Orbs

Darkness Reaper has a 38% Chance to spawn in the Soul Sand Valley Biome in the Nether.

By killing The Darkness Reaper, we will get about 4 Soul Orbs, which will be used to create Soul Pickaxe, Soul Sword, Soul Axe, Soul Shovel, Soul Hoe, Soul Sand, and Soul Staff.

Soul Staff is used to Summon Souls that fight for us.

However, we need Soul Orbs as energy for the Soul Staff.