After some trial and error this weekend, I learned the following. All of this was only used against the Outcast/Rouser spawn near the Ranger of the Abyss housing plot (Faerie Renowned):
1) LURE AWAY THE OUTCASTS.
2) See#1
3) Use a Mystic Stealth Mage to cast RCs. A single RC will crush the Rouser quickly. Stealth keeps the annoying summons from eating your brain.
4) A void manifestation will eventually appear. It seems to be about the same frequency as Paragon critters in Ilsh.
5) From about 3/4 a screen away, cast RC until Void manifestation is dead.
- Don't bother luring the Void Manifestation to the Super Faerie. He beats her quickly.
- The Void Manifestation apparently has no follower limit. He had an RC and/or an animated weapon and a Revenant up at any given time. Speed-hacking bastard...
- DO NOT use any sort of life leech against him. It turns to damage. I speculate that any sort of mana or stamina leech will also do damage.
- Don't bother trying to use a ranged weapon. He's pretty speedy.
- Elemental Slayer works.
Have fun. 2400 hitpoints and 60+ in all resists. Bardable, but 120/120/120 couldn't do it with an exceptional instrument and survive his attacks.
Also, he will heal himself from redline if left alone long enough. Best bet is to tag team him with two RCs.
Biggest disappointment: They fixed Rouser loot in a recent patch. They used to drop full Mystic Spellbooks. Bummer.