Full list of all 20 Elements: Epic Heroes achievements worth 200 gamerscore.
Achievements they've won
Achievements they've not won
Kill 10 Bosses.
Kill 100 Bosses.
Kill 2000 enemies.
Obtain legendary stuff.
Kill the Dragon.
Finish all the Winter's missions.
Clean the Swamp Dungeon from enemies.
Kill the withe bear.
Finish all the Swamp's missions.
Finish all the Desert's missions.
Get to the 10th floor in the Infinity Tower.
Get to the 5th floor in the Infinity Tower.
Upgrade all skills to level 4.
Collect 1000 Dragon teeth.
Kill the Nazgulz.
Clean the Desert Dungeon from enemies.
Finish all the Forest's missions.
Kill 200 enemies.
Kill one Boss.
Finish the tutorial.