2.0.0.d need some advice with bowbuild

hi

my current build (hardcore) is about ice shot and puncture, however i'm not sure what to take from now on, could u guys help me on taking the best possible setup.

current skill tree

https://www.pathofexile.com/passive-skill-tree/AAAAAwAAAx4FtQYjFr8ZhhmKH0EgnCLqIzEj9iaVMHEwfDpCOyhLeEwyTZJRR1FMVUtfsGHiYlptbH8rhMWJa4w2jX2Nv5cGm7W1SLvjwzrEospK1CPWit2o35jigOd06NbsdP66

i personally think that going charisma would be a good idea (using grace and herald of ash)
and since this is a hardcore character i prefer to be somewhat safe to play

bumb