It can't be more effective than Chaos or Emotion, given that it is basically a Confusion spell. Just double-checked with Near Infinity.
Chaos has a -2 save penalty.
Emotion renders them unconscious.
The Wizard version of Hold Person has a -1 save penalty.
Most enemies in SoA do not have rock bottom saves. [img]smile.gif[/img] Especially for SavevsSpell, which is why 'or else' spells are pretty potent. A Spell Sequencer of "GMalison + Slow + Emotion". Try it sometime, especially against the Guarded Compound fight.