I completed The Showdown in the Badlands Legendary Achievement (step 5/6) thus obtaining the Elise the Saviour Diamond card as reward of which I already own the Normal version but, despite this, I was not offered the opportunity to re-roll the latter for a Showdown in the Badlands random Normal Legendary card as expected.
I contacted Blizzard Customer Support who answered me to send a bug report because they cannot make changes to the game.
Please help me since, because of this bug, I was unfairly deprived of a Legendary card that belonged to me and I don’t find it correct at all!