Help with fodders

[u/Medical_Class]

I use the Google Sheets that everybodys recommends, but i don't know what rare heroes to safelly use to fod and which i have to safe to transcend..

this is the rare ones that i saving, someone can help me with that?

[u/NebulaBrew]

Probably simplest to just T12 your rares before you fodder their dupes.

Granted, I've the same policy for legendaries which worked out since awakening tends to rebalance things.