Both myself and the resto druid assigned to heal me didn't seem to take fall damage(she would pop into cat).

Twilight Ascendant Council:

- Lightning Rod can be cloaked off, preventing the rogue from being targeted with the Chain Lightning at all (this is also true for all the other debuffs - Waterlogged etc.).

- Even though the bosses "disappear" completely with phase transitions, Redirect can still be used on subsequent targets to transfer Combo Points.

On Twilight Ascendant Council:

- Rising Flames damage can be reduced by Feint
- Liquid Ice damage can be reduced by Feint
- Electrical Instability damage CANNOT be reduced by Feint

Killing Spree will teleport you to the center of Al'Akir and keep you there until the buff wears off, it'll hold you there long enough to use it as a "get out of tornado free" card.

Al'Akir:

- Acid Rain damage not reduced by Feint

Cho'gall:

- Unleashed Shadows is reduced by Feint. Doesn't seem possible to feint more than 2 hits per Shadow's Orders phase.

On Magmaw you can Vanish the larva if one latches on you, which causes it to despawn, thus stopping damage to you. However it will still spawn an add when the debuff expires. So its a good idea to do it off to the side.

Tron council:
Smoke bomb doesn't appear to prevent being fixated by the adds during poison protocol on Toxitron.

You can solo mitigate meteor by running out of raid and cloaking at the end of the debuff (right before the meteor lands).

Ascendant Council:

You can ignore the grounded debuff with a cloak timed at the end of Thundershock, and Quake can be feinted.

as a side note the adds do not "disappear" the other 2 are on a platform above where Ignacious and Felduious are this is likely why redirect works.

I'm not sure if this is beneficial, since I wonder if the dmg boost provided by the boss mechanic and vedetta stacks additively or mutiplicatively.
In other words if it stacks additively we will have 220% dmg bonus, and if it stacks multiplicatively we gain a 240% bonus.
If it stacks additively it would not prove beneficial to use it when the head is exposed for two reasons; the first being the fact that the head is not exposed for the entire vendetta duration, and secondly you have to "waste" vendetta time on stacking poisons, getting rupture going and so on in the beginning and in the "exposed head"-phase.
If it stacks multiplicatively it should prove beneficial to use it the way tumblebeer described.

If they stack additively there is no difference than if you were using vendetta on CD. While it may be more beneficial for procs to be up, the beginning of the fight is actually a good time to Vendetta, as many procs will be up. I also find it difficult to believe that they would stack additively as the damage bonus to magmaw is not a bonus to your damage, but rather a bonus to damage taken by the boss. As in, its not two buffs being placed on you. Further testing would be required to verify, but I feel pretty confident that because Vendetta increases your damage, and the Point of vulnerability is a debuff to the boss, they would not stack additively.

Al'Akir wasn't disarm-able tonight