Pile of Mace Spheres

From Doom Wiki

Pile of Mace Spheres is the large ammo type used to power Heretic's Firemace. They provide the player with 100 shots (150 on skills 1 and 5).

Heretic ammo
Wand Crystal	Ethereal Arrows	Claw Orb	Lesser Runes	Flame Orb	Mace Spheres
Crystal Geode	Quiver of Ethereal Arrows	Energy Orb	Greater Runes	Inferno Orb	Pile of Mace Spheres