Hello!

To complete this mission, you need to follow this sequence of actions:

1. Equip the necessary artifacts on the champion, which is listed in the description.

2. Upgrade the artifacts to the level specified in the description.

If you equip artifacts that have been already upgraded, the mission will not be completed.

Same problem here

 said:

Hello, I was upgrade the artifact 6th time and the mission stay blocked at 6/6. When I've reconnecting the mission was reboot... It's ennuyous... 

Hello!

Already upgraded artifacts do not count towards the progress.

Hey same the has happened to me.

I have done it 3 times now and it's cost well over 250k in silver going back and forth.

It's only something small sure won't be difficult to fix.

Thanks for the great game hope this problem resolved quickly :)