Which gear levels should I be targeting?

Hey everyone, I'm stuck in Tier 6 of this event and I'm wondering what's the minimum Gear levels I should be aiming for to be able to beat Tier 7. I know I'm still some ways off, with only Elder at G11, but I want to know which pieces of gear I should be saving after I unlock SLKR.

https://swgoh.gg/p/975918932/characters/

I'd also appreciate some mod advice!

Thanks!