End game run consisted of simple parts and a few very annoying encounters.
Alienage - Most enemies no match for high level DW warrior running end game gear. Interestingly the confrontation with the Tevinter elf was probably the trickiest fight in that there are a lot of enemies who surround you, archers hiding behind traps, so I tried to fight in a corner to break LOS with the 3 archers in the "dining room." Even so, had frequent stuns. Ended up using a lesser health pot along with a concentrated crow poison. I had a lot of grenades, and one or two might have made it simpler, but I was hording them for Denerim.
Caladrius - switched to 100% spell resist setup which makes this fight relatively straightforward, and makes archers with stun / debuff the worst enemies. Dispatched the two enemies on the right stairs, then baited the rest to funnel up these stairs. Caladrius had put a blizzard on the upper balcony area, but all it accomplished was slowing his units as far as I could tell. Just kept stabbing.
Something Wicked - I am only mentioning this because it was annoying to keep Ser Otto alive since he charges head first into rooms and is not very combat effective. I had either forgotten or didn't realize before that Hold seems to actually apply to him, and that made it simpler to keep his health up once I rediscovered it. Also it would seem that exiting the building and returning will restore him to full health.
Fang - Apparently the "Unobtainable Items Fix" mod I have unlocks the dragonbone version, which is the "console version," and not the usual crappy T4 version you normally get on PC (I had forgotten this mod does that, only played City Elf one other time). I migrated my dweomer runes from the Crow Dagger to it and used it as my new anti-magic dagger.
Blackstone Irregulars - Finished the quest and killed the son. I went around behind the wagons where the archers couldn't hit me, and killed all the melee units. Easy enough. I bought some tomes of skill and sundry as well as a couple tomes of the mortal vessel and bumped up Survival to Rank 3 and got a whole 2 dex points. Honestly Tomes of the Mortal Vessel seem like gigantic ripoffs, but I still had over 200 gold and nothing else to buy.
Landsmeet / Loghain - He knocked me down once, but he was defeated about 5 seconds after that. Perfect Striking, Crow Poison, Momentum, Swift Salve. Had 63 SS's so.
Tears of Andraste - In the purest solo, I wouldn't be able to complete this mission. Actually went there entirely by myself first since I forgot that the vault door has to be picked. I just killed everyone in the house all the way to the vault. There is a section with 2 mages, but Spell Resist trumps them. Since everyone I could get to was dead, I went back to get Leliana, then unlocked the vault door. She hid in stealth and I killed the rest of the guys who showed up. Then we left.
Camp - I went to camp to change runes. I replaced both GM Flame runes in Rose's Thorn with GM Silverite, and retained GM Lightning. Then it was off to Redcliffe. Edge still had 2x Paralyze.
Redcliffe - The first really annoying encounter is here. Ogres supported by an Emissary. Ran the anti-magic setup, which meant I had no paralyze runes in my weapons. Riposte and Holy Smite work ok on white ogres, but yellow tends to resist. I basically needed to bait the ogres back away from the emissary (and his constant ranged nature damage which was bad even with 40% nature resist), and kill the ogres back up the hill.
For yellow ogres my stuns were resisted commonly, and so it is mostly about stabbing as much as possible and hoping for paralyze or stun. I did end up getting grabbed by the yellow one, but survived and retreated further up the hill for a little health regen. Then it was mop up.
Would have been nice to have higher armor from Evon's, but it wasn't possible to kill the Emissary fast enough with the other setup without getting chain rammed or grabbed by ogres. I did switch to Evon's and Edge for the castle though. There are two emissaries who seem oblivious until you attack them, so Holy Smite - Stab works. Survive stupid attacks from Ogre Alpha, Swift Salve / Poison hope for paralyze procs.
Denerim Gates - darkspawn mooks have hardly any health, the most notable thing was hitting Level 23, where I ended the game. Stats looked like this:
Level 23 - Anti-Magic Setup (Fang - KCP)
Str 41 (33)
Dex 82 (74)
Will 32 (16)
Mag 22 (14)
Cun 25 (16)
Con 21 (15)
Armor - 38
Att / Def - 129 / 128
Phys Res - 75
Edge - Evon's changed the following
Will 27
Cun 22
Armor - 41
Att / Def - 127 / 128
Market District - Switched to anti-magic setup since there is a troll emissary near the start. So had to fight a bunch of ogres. From here on out I tried to make sure Swift Salve and Concentrated Crow's Poison were up whenever fighting ogres. I had 61 Swift Salves at the start of Denerim, so I could spare them. You can get them to funnel here mostly 1 at a time, and if Riposte and Holy Smite are both off cooldown you have a good chance of stunning a white ogre. If you try to rush the Emissary early it is easy to get 2 or 3 ogres on you at once and I didn't want that to happen. But it still did when I got greedy and tried to kill the Emissary before two more ogres got there. This resulted in a grab, and I had to use a health pot. This was my last used health pot of the game though.
I started to second-guess my rune choice in Rose and wondered if it wouldn't have been better to dump all my Paralyze runes in it for 14.26% main hand paralyze chance since I seemed to be stuck running Fang off-hand to resist magic so often. Of course that would lower damage. If I had been a rogue I almost certainly would have done that.
After killing the Emissary and his ogre group, switched to Edge - Evon's for the General. Baited ogres first, and then general was no no match for DW with Momentum, Swift Salve, CC poison, Perfect Striking.
My 2H was better against the ogres here (carefully baiting them), and I imagine templar-2H would be a lot easier at the beginning. General was easier with DW though.
Alienage - Since the general is a mage / emissary here, I went with anti-magic setup. Told Shiani et al to stay by their houses (because I wanted Dawn ring for no good reason), then went to the gates. SS and CCP for ogre, it died fast. Used a few grenades to one-shot mobs, took out some yellow alphas, then killed the general with Holy Smite, Cleanse Area to erase his glyphs, and stab. This section was drastically easier with DW-Templar-Zerker then my 2H-Champ-Zerker, but if my 2H was a Templar it would have probably been closer.
Gates Battle - Well I didn't know what exactly was the most solo like, but ended up putting my controlled characters on hold, and called in the Dalish to help non-controlled squad members while I sat back and did nothing.
Morrigan, Sten, Zevran, Wynne, and Mr Bojangles tore it up by themselves though.
Palace District - Went with Edge - Evon's at the start because I misremembered the enemy layout somewhat. Anyway, cleared the first ogre and enemy section, then went towards the next set of stairs with an ogre. Started to kill it and then realized there was an emissary. He ended up hitting me with Curse of Mortality, and so I used greater spirit balm. I was able to kill all of the units in the immediate area, most of the trash couldn't hit me anyway, and then waited for the curse to expire, and then my health to regen. I have the fix pack, so CoM does prevent combat health regen for me. I switched to the anti-magic equipment for the last part of it.
This section has two emissaries and various trash mobs plus an alpha archer or two. Also shrieks will show up. I used Swift Salve, nature balm and poison, Holy Smite on the first emissary, ran at him and stabbed him to death. The second decided to sort of help me out by lobbing fireballs which mostly just killed darkspawn mooks. Shrieks showed up as I was killing the second emissary, and everything was chipping away at my health. I used Incense of Awareness (had accumulated 3), killed the shrieks, then focused down the alpha as it was the only thing that could actually damage me at anywhere near the rate of my health regen. Health was really low but you don't need a health pot if most everything doesn't hit you.
Drakon Entrance - Back to the anti-magic setup, there are two emissaries. Since I had a bunch of stuff, I activated Swift Salve, Greater Nature Balm, Greater Warmth Balm, Concentrated Crows, incense of Awareness, then lobbed an acid flask on the archers to the right. Killed the little dragon, then lobbed a fire bomb on the archers to the front - right, and then went to stab the ones on the left. I was getting low on health, so charged the Emissary on the left and killed it. The right emissary couldn't hit me in this spot, so I just went about stabbing everything that couldn't damage me here, despite my low health. After everything was gone, killed the emissary and went inside.
Drakon - Pretty much everything is straightforward for a DW-Templar here. Conjurer Fight - kill shades, then Holy Smite and stab Conjurer. Shapeshifter and Emissary - bait group back out door to avoid trap, stab undead with swift salve up, then kill the emissary and shapeshifter. Switched to Edge - Evon's after that. For the unnecessary room with a bunch of archers, I just walked into the middle and lobbed two grenades each on two groups of them, then stabbed the rest. The assassin and his minions were laughable with Swift Salve, Incense of Awareness and Perfect Striking.
The only tricky part really is the room with the 2 ogres and the emissary. I ended up pulling the ogres out of the room to deal with them first. DW v Ogre is as annoying as ever with rams and potential grabs, but I still had plenty of Swift Salves and Concentrated Crows Poison. I then used Holy Smite on the emissary and stabbed him. I am not sure what all this one even casts, he activated Death Magic and put down a glyph when I first entered, and then couldn't do anything when I returned and used HS.
This was simpler than the 2H for the most part, but a lot of that had to do with magic resistance. The exception was the assassin, where higher defense made it easier to just stab it rapidly without much in the way of tactics.
Archdemon - Greater Spirit Balm, Greater Nature Balm (for emissaries showing up), Swift Salve, Poison. Just stab it. For the most part it couldn't damage me fast enough to beat regen. It would get me to half health or so but by that time, typically it would fly to a new spot. After allies show up to distract it a bit it gets even simpler.
Used some more grenades on random mobs, had to focus down an emissary and some shrieks. Used the ballistas at range.