How do "Chance on Attack" proc effects stack if at all?

If I have a 33% chance for +100% damage from one skill, 40% chance for +100% damage from another skill, 100% chance on crit for +100% damage as a proc passive, and 15% chance to heal for 25% of my attack damage on attack, my question is which of the following is true:

  1. I have a chance to receive +300% damage and heal for 25% of that total damage
  2. I have a chance to receive +200% damage and heal for 25% of that total damage, because only the 33% chance or the 40% chance can happen
  3. I have a chance to receive +100% damage and heal for 25% of that total damage, because only the 33% chance, the 40% chance, or the crit proc have a chance to happen
  4. None of them can happen together

These procs happen independently and if some of them align by accident, they do stack.
But I feel you think it’s some OP thing. 300% bonus does not multiply your damge by 4. It’s not D3.
It just get added to your %damage values. For example if you have 2500% Fire damage you now deal 2800% Fire which is not game breaking.
What I mean is that if they align or stack doesn’t make much difference.
Do you have a concrete example?

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Do you mean something like Deadly Aim? Because I don’t think the skills’s bonuses apply to the hit (crit) that procced it, only those that come after.

Does this even still exist since it was removed from Wendigo Totem (Blood Pact)? In any case it wouldn’t be total damage, but rather the weapon damage on the hit.

tqFan is correct otherwise.

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Oh I don’t think it’s OP at all, I just was wondering if it works the way I thought it did, which you clarified it does.

I was giving vague examples to get a more general awnser.
I’m running a shaman build and was wondering if Feral Hunger, Upheaval, Stormcaller, Storm Touched, and Maul are able to all proc together.

I know from reading the wiki that Cadence’s third strike doesn’t activate procs, so I was wondering how things worked in general.

For the most part, all of these work together except Feral Hunger and Upheaval which are a bit more strained.

Both skills activate on default weapon attacks or skills that act as a replacer (like Savagery). However, unlike gear or devotion procs where any number can proc on any given attack, only 1 weapon skill can ever proc at any given time. So If Feral Hunger procs, Upheaval cannot proc on that attack and vice versa. In the community, we call these skills WPS or “Weapon Pool Skills” due to another quirk in how they work. Compared to generalised procs, they can be easily denoted as having a x% chance to be used on their tooltip, used being the keyword.

This is only for WPS like Feral Hunger or Upheaval. Cadence can proc gear/devotion procs on all of it’s attacks.

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Cool. I’ll just clarify that Maul and Feral Hunger will heal based on the total damage the skill itself does. This happens when ADctH is bound to a damage skill instead of a buff.

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