Competing conversion mechanics?

Hey I’m considering a Panetti’s missile build and looking at some of the items, I’m wondering how some of them with competing conversions interact.

Specifically, Mythical Invoker’s Shard and Slathasarr’s crest. I tried to give a link but my post count is too low but basically Invoker’s shard has 100% aether damage converted to lighting for panetti’s missile, and Slathasarr’s crest has 100% elemental damage converted to aether for panetti’s missile.

Is there any general rule for how stuff like this interacts? I’d greatly appreciate any insight on this matter.

You can never convert any damage twice so the flat elemental on PRM will be converted to Aether and the flat Aether will be converted to Lightning in this case.

PM’d you //////

Ah I think I understand…
So essentially combining these items would “flip” the damage types? The base aether would become lightning and the base elemental damage would become aether, resulting in a aether/lightning missile?

Yes

for a general rule, you have a whole section about conversion orders in the official game guide

Very interesting! I’ve got some tinkering to do. Thanks for the help guys.