Curse of Mortality

Curse of Mortality is a mage spell from the Entropy tree in Dragon Age: Origins.

Information[]

Deals (100.0 + spellpower) * 0.5 spirit damage over 20 seconds.
Health regeneration penalty (per second): 1000.
Range: 25m.
Conjuration time: 1s.
In addition to damage-based Threat, 50 Threat is supposed to be drawn. As of Patch 1.02, only damage-based Threat is drawn.

Activation base is in mana and values vary with fatigue%.
Arcane Warrior spellcasting: the spell can be cast with your weapon(s) drawn.
This ability is deadly when cast by enemies. As the spell description says, it prevents all healing, from regeneration to healing spells to poultices, and even the Lyrium Veins found in the Fade. It also does significant damage, so use extreme caution when facing an enemy which can use this skill.
Thanks to a bug (see below) the curse doesn't actually prevent health regeneration. That means that Regeneration (spell) can actually be used to keep someone hit by the curse alive... but be very, very careful with them until the curse goes away.
As a last resort, use Force Field on your cursed party member, which will prevent the curse from inflicting damage.
Dwarven Regicide Antidote will remove it.
It prevents certain mages utilizing Blood Sacrifice (such as Caladrius) from healing themselves, causing them to injure or kill their underlings for no gain.

This spell does not prevent regeneration in combat due to a script error, it only prevents health regeneration outside of combat, which renders this part of the spell useless, because both party members and enemy spellcasters will always enter combat mode as soon as they see enemies. Unofficial fix for PC is available here and here (choose one). The spell still prevents regular healing and inflicts damage, however.