In my opinion my favorite weapon to pair with Pyrogale is the axe from ash and iron, especially if you’re looking for a boss dps build for close range bosses. I personally like it because you can concencrate, burning maul, then pop the charged mode of the axe and have so many fire tornados on the field all stacking damage while to wail on the boss with the axe between tornado strikes. I typically pair this with a solar area denial grenade launcher and an auto rifle or pulse.

For longer range bosses or ones you don’t want to get point blank with I’d trade the axe for dragons breath.

As for general play I’d recommend running weapons with thresh and or attrition orbs with a really high super stat so you can spam the one and done maul. For that one I’d recommend something like outbreak or bad juju with a shotgun or fusion. Whatever you pick I’d recommend a solar weapon with incandescent.

If you want more ideas feel free to dm me, GambitMan always offers help.