Well, you still find stuff for yourself. You just find stuff for other people too at the same time ahahaha. You can put all your extra findings in the guild stash
After the news of the 100 points weapon swap Witchhunter change, I think I'm going to start with Mercenary. I'll level with mace, lightning arrow, or grenades, possibly, depending on what I feel like. Those go through the campaign pretty quickly.
I might start with Tactician ascendancy first, the increased immobilize buff sounds strong since immobilize means stun, freeze, and electrocute. With reduced spirit costs, I can see an Overwhelming Presence (enemy stun threshold reduced) + stun/freeze/electrocute/pin attack build be pretty good for CC. Tactician is also good for party play with banners, so if there are a lot of people who want to party up, that would be a good support class. I'm also keen to test out the new "you can use any support gem multiple times" feature. There is herald chaining tech last season that was good on Warbringer because it has inherent armor break which leads to armor explosion which can proc heralds. If any of my skills can armor break now with the right supports, that might be interesting.