Suggest me some boss killer builds

So I've made 3 characters this league so far, really liking incursions so far, but none of them are really tanky boss killers.

My latest character, Cast on crit discharge, has great clear speed and can kill most lower end bosses (Atziri, Uber lab), but because of the lack of sustainability, I doubt I'll be able to do Shaper/Uber Atziri with her. There are so many builds right now, with a lot of them spouting bullshit numbers (3m shaper DPS! Except POB is set to normal monsters, has everything in configuration checked that simply aren't used, like maximum frenzy/power charges, have tailwind, onslaught, unholy might, etc.... when the build uses none of those, etc...

So yeah, I am looking for good boss killer builds that isn't summon skeleton (did that last season, was a blast, but not again). Big plus if it uses Shavronne's Wrapping 'cause it's cheap right now and I kinda want to use it again. I was eyeing LL RF Hiero/Guardian builds but none of them are updated to even 3.2.