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