Let Me Solo Him: Nullaeus

Earned after a few tries with ilvl 244 brewmaster monk today. Fight time is around 11min. Boss hit really hard, not sure if it is doable with non-tank spec at the moment.

Valeera is level 23, set as Healer, curio is Nether Entropic Kris + Overflowing Voidspire

This is not a guide or walkthrough, I'll leave it to someone with better writing skills than me.

I will just list a few tricks:
1. Nullaeus has a cast Emptiness of the Void, it is one shot spell, must kick
2. Healer Valeera will insta dispell debuff Devouring Essence for you.
3. Boss will summon 3 waves of mobs at around 70%/50%/25% HP mark. First two waves of mobs will cast debuff on you, save CD and kill them quickly. Last round is a single cast mob, I can live as brew tank so I ignore the last mob just rush boss.

Anybody that tries, doesn't matter the class, just make sure you have the healer spec, be set as healer, put valeera as dps, make sure you don't get aggro and voila, easier than a t2 delve.

It makes 0 ounces of logic that it's mission impossible with dps or tank but it's as easy as stealing a kid's candy to do as even a 230 healer.

Healers, I think I figured out the trick to avoid randomly pulling aggro off Valeera when she is in dps spec. As part of her rotation, she will regularly vanish for a moment. About 1/3rd of the time when she does this, I noticed that Nullaeus will fully lose Valeera as his target for about a half a second. I THINK if you heal Valeera in that moment when she vanishes AND Nullaeus loses her as a target - that is when we pull aggro. I can't 100% confirm this, but after testing it out and avoiding healing Valeera when she vanishes, I seemed to stop pulling aggro randomly. The one time I did pull aggro after trying this out was exactly when I healed Valeera as Nullaeus lost target on her.

I kept Nullaeus as my focus so I could easily see who he was targeting, and when Valeera's portrait disappeared I would immediately stop casting. She seems to vanish maybe every 20 seconds, so I would slow down on heals if it had been some time since her last vanish.

Completed as a 254 Rsham, Valeera level 30 with Nether Entropic Kris and Overflowing Voidspire as curios.

For shamans, you can use earth elemental as a get out of jail free card every 3 minutes if you pull aggro. Once the elemental takes aggro (you need to hit Nullaeus once so it will attack) heal it for as long as you can and Valeera should have aggro back once it dies. Hope this helps!