Full list of all 14 Might and Magic: Clash of Heroes achievements worth 220 gamerscore.
The base game contains 12 achievements worth 200 Gamerscore, and there is 1 DLC pack containing 2 achievements worth 20 Gamerscore.
Win a battle in 2 vs. 2 online COOP mode
Reach Level 10 in online multiplayer mode
Complete all main quest and side quest objectives in all Campaigns
Collect all artifacts of each single player campaign
Reach a Hero level of 10 and max out all units to level 5 in any Campaign
Unlock all special units
Complete all bounty side quests
Win a battle in 1 vs. 1 online mode
Complete all Battle Puzzles in each Campaign
Create a link of 5+ formations in battle
Triple fuse an attack formation in battle
Win a battle in the Sylvan campaign
Win a battle using any of the playable Villain characters
Deal an additional 100HP of damage to the enemy Hero on the finishing blow