Farming for 5-stars and beyond
So many people are out there with 5*s and 6*s and they talk about how to do things with those characters. I'm wanting to know how do you get started? What's the best way to get your 4*s to 5*s the fastest? I have been farming my uncommons to 3* and then farming those to 4* and doing my best not to use ANY rares (though I think I've used 4 in total now). While this very well may be the fastest way to do it, I don't know what is the best hero and location to do this at.
My best hero is probably Galek. I have him Ascended 4* with his skills at levels 3, 5, and 1 in that order. I have 2 attack and 4 lifesteal artifacts all leveled pretty well. I also have a 4* Executioner that is levels alright but not quite skilled as much. However, I feel like because of the nerf to his cooldowns he is not the best farmer anymore. I can farm Stage 10-2 with just Galek and 3 level 1s with about 60-80% win rate (it comes down to whether or not I kill the stunning mob in round 3 or not after 2 turns. Most the time I do kill him.
Anyway, my true question is what's the best method, how did you do it? Any information is helpful.
There is a ton of information out there about how to do things once your team is stacked, but no one is willing to tell us new people to the game how to get there without spending a ton of money. I've spent probably $20-30 on the game already enough to get me a comfortable start and I'm enjoying the game, but I'm just wondering if there is something I could be doing better.