# Stack cold damage conversion with elemental damage conversion

Hello,

I build a shadow strike Infiltrator with 2 noctirns with under 100% cold damage converted to piercing damage (47% and 43 %). I add Bladetwister signet with 23% elemental damage converted to piercing damage. I guessed that the 2 conversion types stacks and i get 100% cold damage conversion. But when i see the tooltip of Shadow Strike, i see cold damage as damage component of these skill.

Why this can happend? And how works elemental conversion in combination with a single element conversion?

As far as i know elemental conversion comes first. So you get the 23% elemental converted to pierce, then the 90% cold to pierce converts 90% of what remained from the elemental to pierce and thatâs why thereâs still cold left.

So yes, elemental to pierce and cold to pierce donât stack.

In this case Cold conversion comes first. It depends on which slot conversions are whether a single elemental or Elemental conversion acts first.

However in this case, since both Elemental and Cold are to the same damage type, the order actually doesnât matter - youâll get the same value regardless of the order because

Pierce = Cold * C1 + Cold * (1 - C1) * C2 = Cold * (C1 + (1 - C1) * C2 ) = Cold * (C1 + C2 - C1 * C2) â this is the amount of Pierce damage we get from conversion and itâs the same if you swap C1 and C2 with each other which means the order doesnât matter. But if the conversions were to different damage types it would matter of course.

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I always forget about, well, that complete mess of conversion order.

And yeah, the order of conversions doesnât matter here since they are both to the same damage type, the end result is the same.

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Excuse me, where can I corroborate this information?

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This has been known for quite a while and I tested it in game personally 2 or 3 times on different items.

You can test it in game, for example by using Avengerâs Crusher with 100% Lightning to Physical and Elemental â Pierce rings or something like that. Youâll see all damage is Physical.

Similarly with some different items Elemental conversion can work first.

the pic in question was provided directly by Zantai on the forum in a reply to elemental dmg conversion questions
if you search is comments you might find it

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the pic in question was provided directly by me.

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pardon my poor choice of words no offence/non-credit meant
the information listed/showcased in the picture was provided/confirmed direct by Z