[1.3.x] COC EK + Arc + Ball Lightning Build

thank

i think this is his 2.0 build, he posted it on his TW version but still didnt update here. Take a look guys
https://www.pathofexile.com/passive-skill-tree/AAAAAwIAAF4B0QX5Bx4ILg2NDkgPqxGWFHUWvxjbGYoZjhqPHaohYCP2JIsknST9JpUnqSmlKgswfDIBNj1DMUSeRnFHfklRSn1NklFHU7tVS1b6W69d8l-wYeJh62JaYqxknWVNZ6BsjG1sb55wUnBWcNV08XXLdwd6U3_GgwmExYcTh3aJ04w2jX2Nfo_6kBuVLpcGmhObJpuNm7WcpJ2qoSKiQKOKqKKq-K_rshm1SLe2u-O9Nr6nv9XBScHYwzrEosjcykrPetN-29TfmOGI45_nVOpi6_Xtg-4O73rw1fId8-r0-Pba-wn8xf4d_ro=

Why we should take Oak's +18% physical damage, I think, it could be bettre to take attack speed or +1 passive point( for jewel)