Demon Summoning/?/?

I'm looking to reroll a DS MM; any opinions on what my secondary should be to optimize mitigation/recovery (survival)?

What I'm seeing from the primary is (up to):

-226% recharge debuff
+22% S/L/T resis (slotted; self)/7% pets
+30% F resis (slotted; self)/10% pets
+15% C resis (slotted; self)/5% pets
1 pet Heal
1 AoE Heal

I will be slotting in all of the IO pet procs:

+10% Def/+20% Def AoE
+20% Resis

(assuming the Intensive Recharge uniques are usable with the standard pet uniques)



I'm also looking at complimenting the resis debuff that DS has a lot of:


(up to) -108% resis debuff

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I'm primarily looking at /Dark but maybe you guys are more keen to something that I may be missing from other sets?

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And, at a glance, for the EPP:

Field Mastery looks good (Temp Invul+FoN+DS' resists) and Torrent (for KD mitigation+FF proc)

Charge Mastery (SoP+DS' resists) and EMP

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Thanks in advance for everyone's input.

/dark, /time, /traps, and /thermal IMHO are the upper echelon

/sonic is underrated. It does very well with the +resistance / -resistance spectrum.

/FF is a lot slower paced and doesn't have buff/debuff outside of the big defense. If you team regularly, FF is more valuable.

I haven't done Demons/storm yet. Demons are fairly rugged, combined with the big debuffs in storm, I can't see it tanking.

I have done Demons/Poison in a level pact long ago. The single target debuffs and noxious gas make the combo a big game hunter. My level pact was Demons/dark. Our duo was a juggernaut.

I haven't done Demons/TA. Again, TA has debuffs galore, and the pets occasionally heal themselves, much better after level 32. The AoE fire would have synergy with oil slick.