Here is the full list of all 58 Archons of Doom achievements.
You slew the supremely powerful Green Dragon.
Shatter an illusionary creature.
You now have the full power of an Archon of Doom!
One of your creatures earned a name for prowess in battle!
A Named creature achieved a legacy!
Using chalk and a spell, draw a Magical Circle.
You brought on a Robot and it served you.
You fought, and defeated, a fearsome Giant Scorpion!
You upgraded a Robotic Unit with a Battery Pack!
You learned your first spell!
You learned your second spell!
You learned your third spell!
You learned your fourth spell!
Getting powerful now, you have learned your fifth spell!
Almost there.... you have now learned your sixth spell!
You slew the powerful Lord of Chaos!
Call forth an illusory creature from the void.
You found and opened a chest.
You found and opened a locked chest.
You discovered an illusory wall, which took you to a secret place!
Played through a game, against another Archon, to its completion - and won!
Have started a game of the Archons of Doom.
Played through a gameagainst another Archon, to its completion - but was doomed!
Call forth the supremely powerful Green Dragon from the void.
You stole a weaponset from the hands of a foe!
You repaired a Robot!
You outfitted a number of TR-8R Hunters with Laser Rifles.
You found a use for the Uranium!
You found a use for the Emerald!
You found a use for the Amethyst!
You found a use for the Bottle!
The only creatures left alive in a realm were the ones that serve you!
You were able to slay two units at once!
You were able to slay three units at once!
You destroyed a Mech!
Every Hive was wiped out in the realm.
You collected a Phoenix Feather!
You deciphered a Magical Map!
You gained 3 mana crystals from a single item!
You slew the Great Beast, against all odds, and saved this realm from certain destruction!
You were able to destroy four units at once!
You attained a Dark Gift!
You attained a Guardian Gift!
Your green dragon earned its name!
...into the shadows...
Crushing all dissenters!
consign it to oblivion!
You conquered the realm of Ambion in the campaign!
You conquered the Merlin's Cave realm in the campaign!
You conquered the Isles of Ygg in the campaign!
You conquered Storm Fort in the campaign!
You conquered The Wheel in the campaign!
You conquered Lakespan in the campaign!
You conquered Brimstone in the campaign!
A Named creature achieved Mythical status!
You won a Skirmish game!
You won a Skirmish game against multiple Archons!
You won a Skirmish game against three other Archons!