I dropped a Starcore Rifle, so, obviously I tried to make something with it on Grimtools.
My first idea was to use Onslaught converted to fire (using the conduit of Frenzied Whispers) as auto attack. The rifle also converts Avalanche to fire, what I think would look cool on screen.
But,
I don’t see many equipment supporting both Onslaught and Fire, so how would I reach the hard cap of 26? Should I ditch Onslaught for Fire Strike then?
Can I interest you in yet another 2H fire Purifier?
This would make me loose the fiery avalanche that is my intended goal.
You can try Zealot with Righteous Fervor if you want to have fire Avalanche. You can get 26/16 RF pretty easily. The damage output of it looks like it’s gonna be atrocious though due to Berserker offering zero %damage or RR.
Edit: The more I look into this gun the more I dislike it. Terrible attack speed bonus and no phys>fire conversion for all the flat you get from the mastery combos/hydra devotion.
What about some bullshit like this? With Oathkeeper/zerker you get tons of +crit dmg (155%) and with just Starcore get close to 100% wps by itself, so if you can find tons of OA maybe it’ll be a glass cannon with some big numbers. rr isn’t too bad
tossed some shit on the wall:
https://www.grimtools.com/calc/2ga4PmYZ
Yeah, RF Zealot with over 100% base crit damage is where this gun is at IMO
Great starting point.
Here’s what I had so far:
Oh yea Bonemonger has ele support and smite.
I was originally thinking about increasing Ascension uptime for the good buffs it has, and I went from Gaze of Empyrion to Virtue’s helm and then, why not a bunch of Virtue for the set stats?
I had my eyes on this weapon for a while, it seems straightforward, but it’s surprisingly tough to make it work. This is a pure theorycraft at this point and would need some ascended affixes to cap the weapon pool, I just didn’t bother adding them before they get changed next patch. Needs some insanely specific item rolls though, otherwise the total fire damage % is pretty crappy.
I personally think Starcore needs a buff.
It takes to much to make it just “ok” enough to SR30-31. I’ve given up on that idea for now.
What about not insisting on building a dreadnought/zealot but try a chaos or fire shieldbreaker with focusing either on RF or FS? 
The 60% crit damage alone can be a huge force multiplier and i saw the opportunity for a small concept. The whole gear chosen with the idea in mind that we would need huge OA levels to profit from the crit - in this case ~ 5k under Ascension
Obviously way overtuned and we would need to change a few things to get e.g the HP pool up but i guess this could roughly work. Although i do think that some weapon % dmg to smite on the weapon instead of the flat would be great - or some passthrough? Although the flat damage on smite is quite significant and we dont stack that much flat that a small %WD would be better i think.
I also had a theory crafting as shieldbreaker but i wish it had a bit more hp/oa
I wonder if it’s possible to get 18k HP and 4k OA with also good rolls
I didnt lvl it up but i might try at some point
I threw a bunch of shit together from my stash and this is what I have
As expected, the damage is pathetic despite the 143% global crit modifer. Crits are up to high 200k damage and non-crits are like pillow fighting. Total chore on Ascendant. Gun desperately needs phys>fire conversion since every mastery combo you’d want to try with it has lots of unconverted physical damage.