6-star R4 Tech Rank Up

altavista

I have the below Tech champions. All are currently R2, except for Ultron.
I use all the champions on occasion depending on the need, except for Ultron.

pseudosane

Guardian (unduped)

awaken Guardian take to sig200 and r4.

Alternatively can do with nimrod too.

Phillip14233

Wait (for dupe)

Nimrod is amazing, would be better with those silver stars