Dispersion

 is a Weapon Master skill, requiring a One-handed Mace.

Effects
Create an AoE shockwave on the ground.
 * Deals 2.0x weapon Damage and 1.5x weapon Impact
 * Reduces your Stability to 0, but does not stagger you.

If you have a Melee Imbue on the weapon, the effects will vary:
 * Fire imbues: Damage overrides to Fire, inflicts Scorched.
 * Frost imbues: Damage overrides to Frost, inflicts Chill.
 * Lightning and Light imbues: Damage overrides to Lightning, inflicts Doomed.
 * Ethereal and Wind imbues: Damage overrides to Ethereal, inflicts Haunted.
 * Decay and Poison imbues: Damage overrides to Decay, inflicts Curse.

Acquired From

 * Taught by Bea Battleborn, Weapons Master