Artifact challenge 6.8 "equip 4 champions with three 3* or higher artifact sets of lvl 8 or higher" I think i have a bug on this challenge, i have equip  5+  champions now with full sets 3* or higher and leveled artifacts to lvl 8 and still it says 3/4 in my challenges. I ve been trying to complete this challenge for weeks now..its one of the reasons why i quit the first time cause i cant advance with the challenges with artifacts..

please help