Decrepify (Diablo III)

Decrepify is a Curse skill in Diablo III, functioning similarly to Weaken and  from the previous game (though it does not reduce Physical resistance anymore).

In-game
When activated, this skill curses the ground within the targeted area for 1 second. Any enemy touched by it will be cursed for 30 seconds.

Unlike Diablo II Curses, in Diablo III multiple curses can afflict the same target.

Runes

 * Dizzying Curse: Cursed enemies have a chance to be stunned for  seconds when hit.
 * Enfeeblement: Increase the potency of the movement speed reduction to, decaying by with every second for  seconds. Remaining duration uses the regular 75% speed reduction.
 * Wither: Damage reduction increases to, but curse no longer reduces movement speed.
 * Opportunist: Gain a movement speed increase for every enemy cursed, up to.
 * Borrowed Time: Gain cooldown reduction for every enemy cursed, up to . This does not reduce the remaining cooldowns, only decreases the future ones.

Non-rune enhancements

 * Cursed Scythe: Enemies hit by the Scythe have a 15% chance to be inflicted with a random Curse of the Necromancer's arsenal; these curses do benefit from runes and enhancements, if any.
 * Trag'oul's Corroded Fang (Legendary Scythe): The Cursed Scythe rune gains a 100% chance to apply a curse and increases damage against cursed enemies by 175-200%.
 * Dayntee's Binding (Legendary Belt): the Necromancer gains a 40-50% reduction to all damage taken while Decrepify is active on at least one foe.
 * Spear of Jairo (Legendary Spear): The Necromancer's is increased by 10-15% for every enemy afflicted by a Curse.
 * Briggs' Wrath (Legendary Ring): Uncursed enemies are pulled to the targeted location when a Curse is applied to them.
 * Cursed Form: While active, Simulacrum makes all Curse skills apply all three curses to each target, even if the Necromancer does not have the other two Curses on their skill set.

Passives

 * Eternal Torment: reduces Essence cost by 50% and increases duration to 5 minutes.
 * Spreading Malediction: Increases the Necromancer's damage done by 1% for every enemy afflicted by any Curse.