So is K2SO good?

I only have him at g8 and he seems more dutable than han ever was. Lol

The only problem is you need to have a scrubber with him or else he stops taunting and countering

Honestly I'm in a late dec. Shard lvl 85...I have him gear 10 replaced 86...I use hk,88,je,b2,k2.....haven't dropped outta top 20...normally with 86 I drop to top 50...this tells me on def they can't get to je in time....he made baze irrelevant...hope this helps...I did health mods low speed..haven't heard anything better yet... I might switch to def

I have him gear IX lv 85 7* and he is bad, I've replaced him by RG, but maybe he gets better on gear X or XI i don't know

Dunno. I don't think it's really meant for a Droid team. It's a Rebel that just happens to have the Droid tag for flavor reasons. But it looks like it'd be right at home in a team of the other Rogue One characters.