| Cuts the health of an adjacent creature in half. This damage is never directly lethal.
“Unbearable, isn't it? The suffering of strangers, the agony of friends. There
Agony is a level 5 Necromancy spell which functions as torment against a single, adjacent target. If it succeeds against the target's willpower, it cuts their HP by half, never lethal. Like torment, negative energy resistance provides protection (players: -5% HP per rN+, monsters: having any rN+ gives total immunity).
However, it can only be used in melee range. The caster must be able to survive a few turns at close range to take full advantage of it. Don't skimp on the evasion, and prepare a safe line of retreat if things go sour. If you haven't branched into other magic schools, Borgnjor's Vile Clutch is a good choice for either an escape tool or a finishing blow.
The following monster can cast the regular, 1-tile version of Agony: