[2.2] FULL damage over time character!

Hello everybody , firstly i want to apologize for my very very bad English , be sure that i do my best for YOUR understanding...

I am working since 1 week on a new build made by myself,based on the damage over time.
I would like to use for main skills the famous caustic Arrow AND the fire trap. The idea behind this build is to use caustic Arrow before spam fire trap Which will immediately be activated By using the appropriate jewels (thinking of two Cheap Construction Jewels + Sunblast).

For the moment i will only give you the passive skill tree..It's my first build made by myself and i am not sure of the tree at all...I don't know first if projectile damage will increase the damage over time of the two skills..

Here the passive skill tree:http://www.pathofexile.com/fullscreen-passive-skill-tree/AAAABAYBAQDuBAcFtQzyDkgQkhGWEmkTbRQJFHUVIBa_FxwXLxjbGbQajR0UHvAfAh8YI_YksCaIJpUqTSpbLOktHy2DLiMwfDIyMjQ1kjY9N9Q6WDrhPV8-zz8nRXxHfkrITI5Ms02STeNQQlFHUftSU1KvUuxVS1XGWfBbJluvYeJirGVNZ_xsjG6qcXl2gn5Zf8Z_-4Jeg9uEooTZhrOMNo19jb-PRpOZlSCXlZeXl_SboZ2qoi6io6OKpcumV6yYrUq0OLTFtNG1SLXytzC3dbtNu569Nr3mvqfB88LsyAzNFtN-2L3Zht0N3V_lGetj7T_uDu4V73ryRfaj99f60vv1_gr-jw==
My idea is to take more elemental damage as possible for the fire trap , life , increased damage over time , some piercing damage for the unique called "drillneck", burning damage and increase AOE.
I may take increased chaos damage.. I am really confused . If somebody can help me to make it viable it would be great!
I am sure that i can do Something with these ideas... An original build =).
Thanks you for your help,
Jerry
P.S: I will update the post with my gear / gems after the tree =).

Unless you are doing full fire -> chaos conversion, your dmg won't scale. You are also trying to use trap, bow, chaos, projectile, DoT, elemental scaling which have no synergy which means you don't have enough passive points to make it worthwhile.

If you want some advice, think about blast rain with poison and inc aoe as a main skill, and blast rain with conc effect in a trap setup for bosses. Deaths harp and drillneck is all you need to get started.

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Fri3dchick3m wrote:

Unless you are doing full fire -> chaos conversion, your dmg won't scale. You are also trying to use trap, bow, chaos, projectile, DoT, elemental scaling which have no synergy which means you don't have enough passive points to make it worthwhile.

If you want some advice, think about blast rain with poison and inc aoe as a main skill, and blast rain with conc effect in a trap setup for bosses. Deaths harp and drillneck is all you need to get started.

Thanks you very much for your asnwer. I really need helop to make it viable. I know that i scaller a lot....I try Something news that it's why i'm so confused on the passive tree. As you can see , it 's not the presentation of Something which is viable in state.
I take into consideration your proposal concerning the skills...
I will wait a bit for other answer to change it !
Thanks guys!