Short list of achievements (you can only get them once):
- 300 gold - win 100 matches in any mode (you can invite a friend to a duel and ask him to surrender until you get the achievement).
- 300 gold - win 1000 matches in any mode.
- 100 gold - defeat all opponents in Adventure - Training - Expert.
- 100 gold - upgrade all heroes to level 10.
- 95 dust - disenchant any card (disenchant the cheapest card that gives 5 dust).