No missable achievements (plus 27 unknown)
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Draw first blood
Kill an enemy with your ability
Kill 10 enemies without dying
Defeat the attacker in Combat Chess
Win a match
Upgrade your character 10 times in the same life
Defeat an upgraded piece (5 skills at least) without your own upgrades
Become the Warlord
Kill 25 enemies without dying
Turn your pawn into a queen in chess
Defeat a Warlord
Win a Team-Match
Kill 10 characters in one life with the Damage
Win a round without losing a life (LMS, TLMS)
Fully purchase all skills
Eliminate all teams without changing sides (Conversion)
Beat the AI at Classic Chess
Kill 10 team members
Kill 10 enemies using Bash
Win a match with 5 mutators running
Win each game-mode
Kill 1000 enemies
Win 20 matches
Win in every arena map
Win a match as every character (arena modes)
Win 200 matches
Win in every Chess map