Here is the full list of all 86 Worlds of Magic achievements.
Draw a battle.
Found a new city.
Capture a city.
Have a unit reach maximum level.
Construct all buildings in a city.
Raze a city.
Explore a world feature.
Win a battle.
Recruit a unit.
Research a spell.
Cast a spell.
Create a custom Sorcerer Lord.
Forge an artefact.
Recruit a Hero.
Summon a champion.
Have a hero reach maximum level
Research all available spells.
Reach 100 fame.
Defeat a Sorcerer Lord.
Win the game by defeating all other Sorcerer Lords.
Achieve Tier 9 in all elemental circles.
Win the game without casting any spells.
Defeat a level 6 world feature.
Win as High Men.
Win as Grey Elves.
Win as Draconians.
Win as Unhallowed.
Win as Orcs.
Win as Dwarves.
Be at war with every other Sorcerer Lord at once.
Make an alliance with another Sorcerer Lord.
Start a hot seat game.
Recruit 6 heroes.
Win as custom Sorcerer Lord.
Win as pregenerated Sorcerer Lord.
Travel to another plane.
Bless a Water Elemental.
Have a unit deal fire, cold, electrical and acid damage with one attack.
Kill a Drake with a Settler unit.
Win the game having spent no point during Sorcerer Lord creation.
Reach 100 Spellcraft.
Spend 5000 mana on spells.
Spend 50000 mana on spells.
Spend 5000 mana on crafting.
Spend 50000 mana on crafting.
Win as Markas.
Win as Merlin.
Win as R'jak.
Win as Ariel.
Win as Eyegor.
Win as Neve.
Win as Alhasret.
Win as Drakhis.
Win as Magog.
Win as Rastiss.
Win as Prithvi Mata.
Win as Istimaeth.
Win as Varkin.
Cast every spell.
Recruit every unit.
Embark a unit on a ship.
Sign a treaty with another Sorcerer Lord.
Make a trade with another Sorcerer Lord.
Give a hero to another Sorcerer Lord.
Raid 100 gold as Orcs.
Make a unit drown.
Make a unit fall into nothingness.
Have a city on all seven planes.
Have a city of all seven living races.
Recruit a living hero as the Unhallowed.
Recruit an undead hero as a living race.
Turn a living hero undead.
Raise a hero from the dead.
Enchant a unit with five unit enchantmets.
Cast two strategic spells in the very first turn.
Rescue a hero from a world feature.
Return from banishment.
Have at least 20 towns.
Have at least 100k population in your empire.
Kill an enemy hero on the world map.
Win using only your starting race.
Win as Myrodants.
Win as Dark Elves.
Have six heroes with all of their equipment slots filled.
Win by casting Spell of Domination.
Banish an enemy Sorcerer Lord.