Suggestions for returning player

Just got back on this game after 4 years. Just wondering what I should focus on. What mastery setup is good now etc. Any help is appreciated.

Comments

Get Cavalier

Get Cavalier

why are you in jail?

Get Cavalier
why are you in jail?

3 counts of Aggravated Assault

My units are not strong enough I think.

My units are not strong enough I think.

11k units, r5 blade, multiple r4 5* champions... bruh
Btw your masteries are good