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.
Finish all the Winter's missions.
Kill the withe bear.
Finish all the Swamp's missions.
Kill the Dragon.
Upgrade all skills to level 4.
Clean the Swamp Dungeon from enemies.
Get to the 10th floor in the Infinity Tower.
Kill the Nazgulz.
Get to the 5th floor in the Infinity Tower.
Finish all the Desert's missions.
Clean the Desert Dungeon from enemies.
Collect 1000 Dragon teeth.
Finish all the Forest's missions.
Kill 200 enemies.
Kill one Boss.
Finish the tutorial.