Waste of Spell Points. Why not just get a Conjuration focus stick on one hand and an Glaciation (or a combination of Potency) stick on another hand and just cast Niac's Cold Ray. You'll probably get the same/better results than casting hypnotism + doom.
Hypnotism (-4 will save even if doesn't daze) + Doom (lower SP cost than scare for -2 save) + Command (some bosses immune to this) + Niac's Cold Ray (greatly increases chance of damage due to lowered save) for single bosses.
Hypnotism (lowers will save and daze for the big one coming up) + Scare (send them all running) for smallies crowd control
Any ideas? :)