Should I get the 5*awakening gem or a bunch of rank up materials?

ZADO1991

2.5 months into the game. No rank 5 4* yet, 3 meh tier 5*, progressing on 4.4.4, sitting on 6.3 mill infinity dust. Already got the 4* ag. I do lack t4ccs and t4bs, but the 5* ag seems a lot harder to come by. What should I do? Appreciate your replies!

DrBruceWayne

"3 meh tier 5*"
Go for the rankup materials and 5* shards or just spend on 5* shards