Hunter solo - Durendil vs Underrot +2 (DF)
First dungeon I did, but maybe the hardest in a certain sense. This is because the bosses are hard - I simply can't do the second boss without BL and perfect execution. And third has increased damage on pets. Fourth also hurts more than the bosses in other dungeons.
So I don't think I can do this dungeon in tyrannical or +3.
I was using the Talisman of the Cragshaper (-50% dmg/15 seconds/1 min CD) for survival.
I was not using the Sporecloak, due to it being the first dungeon I did it. I then decided to use it in all other dungeons because it's worth the dps loss.
Trash 1 : interrupt the heal. Also, if you pull too big you might take too much damage.
Boss 1 : interrupt bolts if they focus you, or use a heal.
Trash 2 : don't pull several flowers at once, and only pull if you have an interrupt for the stun.
Boss 2 : you'll need defensives after the tantrum when he spawns all the adds, plus your pet's CDs. You will not survive the second tantrum - kill him beforehand.
Also, keep perfect positioning and stomp the adds. The hard part is the first charge after the tantrum, make sure to put pet on passive near the end of the cast.
Trash 3 : the zombie packs deal too much damage, avoid them.
Boss 3 : he has increased damage on pet. Also, it's hard to destroy all the mushrooms. So my plan is turtle on first harvest, dispel (dwarf) on second, kill before third. But I could kill him before the second one.
Trash 4 : avoid the zombies, again.
Boss 4, when he summons adds and you get to 4-5 stacks, it will hurt a lot. So either focus the adds, use turtle, dispel or use defensives.