Acid Cloud is a witch doctor skill that summons an acid-spewing spirit, raining caustic, skin-dissolving death on the unfortunate enemies below.
Crimson - Causes immediate damage instead of a damage over time effect. Indigo - Increases area-of-effect radius. Obsidian - Spawns slimes that attack nearby enemies. Golden - Afflicts enemies with a disease effect that deals damage over time. Alabaster - The witch doctor belches forth a directional pool of acid.