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