WoWDB

Can be cast in Shadowform

Discipline, Holy:

A word of dark binding that inflicts [ 2,183 + 187.6% of Spell Power ] Shadow damage to the target. Only usable on enemies that have less than 20% health.

Shadow:

A word of dark binding that inflicts [ 2,183 + 187.6% of Spell Power ] Shadow damage to the target and grants a Shadow Orb. Only usable on enemies that have less than 20% health.

If the target does not die, the cooldown is reset, but this additional Shadow Word: Death does not grant a Shadow Orb. This effect has a 6 sec cooldown.