Question on Uber Exarchs Ball Phase & Physical Mastery Skill Tree

Hello all, before I ask, I'd like to thank you for taking the time to read and reply. Questions are outlined if TLDR

I've been constantly improving my build since I started playing (end of Sanctum league) and this league I was able to finally get my 4 void stones. I figured I would try the Uber pinnacle bosses and got smoked.

For Searing Exarch, I was doing fine (kind of) but I was eventually doing ball phases with 3 molten minotaurs and I got owned. My question is, is the ball phase on a cooldown/timer? Answer: It is on a timer/cooldown, and he casts it even if you dps the molten minotaur only.

Second question,regarding uber pinnacle bosses, which I believe has a "70% less damage taken mod", does the Physical Mastery skill "40% Chance to Ignore Monster Physical Damage Reduction" apply to that? Answered: Does not apply

1) I don't know for sure but I'm inclined to say no because I've had cases where I did so much damage to him that he would do a ball phase and then immediately chain another one as the first one ends.

2) No. That 70% less is a generic less damage modifier, which is not affected by ignoring PDR.

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TheFARMBOT2000 wrote:

Second question, the skill tree has Physical Masteries, and one of the powers is "40% Chance to Ignore Monster Physical Damage Reduction"
I know that monsters have armour, and that map mods can roll "Monsters have 40% Physical Reduction" and that it only applies to the map mod, not the armour,

Do you have a source for it not applying to the armour?

Based on the information we have about Overwhelm reduction stat, I think this mastery works against armor too.

it applies to armour its just incredibly rare for that to matter. We get altars that give monsters 50k armour and it still doesn't matter i've only played one build ever that actually saw a significant reduction in its damage from monster armour and that was lancing steel impale with like 50 projectiles.

Or put another way we think 50k armour is pretty irrelevant against a hit for 10k, so how effective do you think it is against a hit of 2mil? :P

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Draegnarrr wrote:

Or put another way we think 50k armour is pretty irrelevant against a hit for 10k

50k armour takes off 50% of 10k hit. So at least I dont think its irrelevant...

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Zrevnur wrote:

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TheFARMBOT2000 wrote:

Second question, the skill tree has Physical Masteries, and one of the powers is "40% Chance to Ignore Monster Physical Damage Reduction"
I know that monsters have armour, and that map mods can roll "Monsters have 40% Physical Reduction" and that it only applies to the map mod, not the armour,

Do you have a source for it not applying to the armour?

I believe I was mistaken. Other posters think that it does apply to armour. Thinking about it, I would agree. As a monster/characters armour increases, so does its PDR. It makes sense. Hard to figure out how valuable the stat is though versus other nodes.

I will update the post in an edit about uber exarch ball phase when I find out!

Thanks for the replies btw!

overwhelm applies to both pdr and armour, but monster armour is mostly irrelevant because their armour is too low to make a meaningful difference vs big hits

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Zrevnur wrote:

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Draegnarrr wrote:

Or put another way we think 50k armour is pretty irrelevant against a hit for 10k

50k armour takes off 50% of 10k hit. So at least I dont think its irrelevant...

Players don't hit for 10k though, that's his point. A monster having 50k armor against typical players average hit means absolutely nothing, no need for overwhelm.

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Baharoth15 wrote:

A monster having 50k armor against typical players average hit means absolutely nothing, no need for overwhelm.

The build spectrum is wide and there are ranges with low phys damage. This low phys damage however can have the perk of being the best (or only good/cheap) source of leech. In that situation even the low monster armour values can matter. Like (guessing, didnt math) totem leech mastery on poison TS ballista.