No you can't, all you can do is increase the duration of the dremora lord. Stop talking [censored]e.

...."cough* Cough*
http://www.ign.com/wikis/the-elder-scrolls-5-skyrim/Fortify_Conjuration

You've given me nothing there, it doesn't increase the conjuration skill. The potion will increase the DURATION of the conjuration spell, nothing to do with how strong the conjure is. Increasing the conjuration skill doesn't increase the strength of the summon anyway.

pretty much this which svcks cause your skill you got to lvl 100 is useless Bethesda needs to seriously work on balance more also dead thrall caps at lvl 40 so your lvl 36 dead thrall is getting pwned by lvl 50+ not to mention if your playing a mage destruction doesn't scale either so you have to use illusion now and your conjuration and your destruction is pretty useless a combat skills at lvl 100 should be able to kill everything in the game with some difficulty in later levels but conjuration doesn't really give you much cause nothing can really make summons stronger i think dual cast should give your summon 2x health and 2x attack

Bah just checked....you are right.I loosed ):

Haha okay.

Well if I summon 2 dremora lords, they can clear a room of draugr deathlords. 2 dremora lords for me will easily kill 2 draugr deathlords by themselves.

Two Dremora Lords can take down almost anything. Ancient Dragons are the only thing they can't trash, and certain caster NPCs like arch cryomancers. They aren't very resistant to magic or breath attacks, they don't have a ton of health either they just deal a ton of damage relative to other summons. They really excel vs. melee, I'd say Draugr Deathlord vs. Dremora Lord can go either way, depends on weapon of the Draugr as well as which one staggers more, blocks more successfully, etc. I'm not sure why some people are reporting they get owned by them, since the Dremora scales for difficulty it can't be that.

I just tested pitting a single Dremora Lord vs. a Deathlord with an ebony sword and these were the results -

1. Deathlord
2. Deathlord
3. Dremora Lord
4. Dremora Lord
5. Deathlord
6. Dremora Lord
7. Dremora Lord
8. Dremora Lord
9. Deathlord
10. Dremora Lord

Dremora Lord wins 6/10, so I think a pair of them would beat a Deathlord almost every time. A Deathlord with a 2 handed weapon might fare better or worse, but I doubt it'd make a big difference. Dremora Lords stagger with their power attacks quite often, and when watching them face Deathlords I could usually predict the winner based on that. A dremora lord that gets a few staggers early on will generally win.

Thanks for testing it, they seem pretty evenly matched ha.

This is useful, but remember that if you summon 2 dremora lord vs 3 draugr deathlords, regardless if they can kill the deathlord, it's less heat on you. On master thats what you need to be honest, as those things hit like a truck (especially the 2h ones).

That's why I use potent storm thralls against dragons, they have upgraded health compared to atronachs, and they have a decent ranged attack. I do like to fight my own battles most of the time though ha.