How do you evolve your hero so you can unlocked their artifacts... Also what hero is it that has the pink blobs that come out after you when you are attacking but not near the heros.. I have gone over the wiki for the game but there is no answer for these two questions... Thanks
To single evo your hero must be at least lvl 180. You must have a dupe of that hero or 20k shards. You must also have 1 evo rune and 1k red crystals. Each artifact has its own achievement to be unlocked, accept for victors emblem which is automatically unlocked once you have first evo.