Slave collars give feeblemind which heavily reduces MR and removes magic... not very desirable on a spellcasting undead SC.
I believe that morale has been changed. In Dom2 single commanders would never route from battle AFAIK. In Dom3 a single commander who takes damage (or is affected by fear, perhaps?) can route.
Berserk units will never route, even if the army they're with does. Immortal units (like wraith lords) will not route if they are in friendly dominion.
As for your SC designs:
Quote:
1 wraith lord + wraith sword + wraith crown + bone amour + ring of regeneration
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Antithematically, wraith lords are already ethereal so they don't really need expensive wraith crowns. Wraith lords don't really need the bone armour either. They can cast soul vortex themselves (perhaps with skullface, I forget), and bone armour is otherwise poor.
Regeneration is not so important for them. Immortal units naturally heal afflictions, and the soul vortex spell allows you to heal against chaff units.
Quote:
2 wraith lord + horror helmet + standard of the damned + bone armour + ring of regeneration
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I'm not convinced about the standard. It does add to fear but it is poor in melee and the wraith lord is a spellcaster and doesn't really need the item spell. I think it'd be better to equip an average commander with it - it'll be just as effective.
Off the top of my head, a decent design with no artifacts could be:
Any good melee weapon. Frost/fire/shadow brand do area damage. Woundflame is an army killer if you have artifacts.
Lantern shield OR Shield of gleaming gold OR lucky coin OR Charcoal shield
Skull face (if needed for soul vortex) or otherwise either spirit helmet (expensive but good) or horror helmet.
Boots of quickness - very important
Jade armour if you can't get the boots - quickness is vital for a melee SC.
Otherwise, good armours include the chain mail of displacement and the marble breastplate. Against some AIs you may want resistances though so e.g. red dragon scale mail may be useful against Abysia, but you can get resistances from misc items too. The robe of invulnerability can be good if you have super cheap forging with 'forge of the ancients'
Misc items... This varies depending on what you're up against. Luck is important so take the lucky amulet. The amulet of antimagic, bracers of protection, ring of regen are some other cheap possibilities.
Script 'cast soul vortex' followed by 'attack'
There are many designs though, and this is just one. However, this won't stop the SC from routing. It'll be effective in friendly dominion but not otherwise.
If you are in hostile dominion you want the berserk ability. This can be gotten from the berserker pelt armour, but this does have poor protection - maybe still ok against chaff units. Anyone have suggestions about other ways to get it? The Lychantropos amulet on a warith would be incredibly stupid. I seem to remember the flesh eater gave berserk in Doms2, but it's not listed now. plus, items that make you berserk from the start of the battle will stop you casting spells.
Well, hth.