Contagion + Ignite with new Blackflame Covenant

Do we know of reasons why Contagion would not spread Ignites converted to chaos damage with the upcoming Keystone?

Working on theory crafting a build that generates ignites and then spreads them with contagion.
Last bumped on Sep 5, 2025, 12:42:35 AM
There's already an item that makes ignite deal chaos damage. It does not make the ignite count as chaos.

Also ignite is only 4 seconds. Not ideal for contagion. You'd have to invest in making it longer.
Well, thank you for bringing that unique to my attention.

The wording is different though, and may be different enough to make a difference. Blackflame covenant converts fire damage to chaos damage, while the ring simply has the target take chaos damage instead of fire damage.

I will still be testing that interaction, but now I know not to be disappointed if this idea doesn't work.
As far as im aware, blackflame right now is really just used for Incinerate, and it looks like incinerate is getting a heft change next patch, so wont get the same use it does now
As of my understanding:
Blackflame adds a "ignite damage taken as chaos" modifier to enemies. Thats means it still deals fire damage in the calculation until changed in the last step. Thats why chaos damage increases do not work and why it is not spread by contagion.

"Blackflame Covenant. This Keystone converts Fire Damage to Chaos Damage, with this damage contributing to ignite chance and magnitude, and ignites inflicted with Fire Skills dealing Chaos Damage."

This is different wording and means the ignite now deals chaos damage and thus counts as chaos damage over time ailment/debuff. If contagion spreads poison (and the internet says so) i would presume that contagion also spread ignite with this.
Last edited by Lord_Arrrr#5797 on Aug 25, 2025, 1:12:24 PM
don't think it will work because even if ignite do chaos damage it's still damaging ailment when for contagion you need debuff dot.
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Koylz#7351 wrote:
don't think it will work because even if ignite do chaos damage it's still damaging ailment when for contagion you need debuff dot.

contagion spreads poison though which is an ailment
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Do we know of reasons why Contagion would not spread Ignites converted to chaos damage with the upcoming Keystone?

Working on theory crafting a build that generates ignites and then spreads them with contagion.


It works.
It should work but it does not work, tested. Sad. An ailment is a debuff by the own game description and contagion spread Debuffs doing chaos damage over time. Ignite in this case should fit the description as poison works.
It should work if you follow the notable wording... but its not

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