Here is the full list of all 50 Overlord II trophies - there are 37 bronze, 10 silver, 2 gold and 1 platinum.
Kill Solarius.
Build 100% of the Tower buildables.
Kill 15 or more enemies with a single Catapult boulder.
Find a way for you and your three Mistresses to become 'special' friends.
Gather 5000 Lifeforce orbs.
Destroy both Nordberg and Everlight.
Destroy one Town.
Buy gifts for Dark Fay and woo her into becoming your 'special' friend.
Corrupt Queen Fay to turn her into Dark Fay.
Discover and use all Minion Mounts in the game.
Find the Blue Minions.
Collect 50% of all Dark Crystals.
Kill 1000 Gnomes.
Forged the Elemental helmet and armor.
Buy gifts for Juno and woo her into becoming your 'special' friend.
Build 50% of the Tower buildables.
Buy gifts for Kelda and woo her into becoming your 'special' friend.
Rescue Juno from Everlight.
Complete full Tyranny over Everlight through either Domination or Destruction.
Kill 100 baby seals.
Gather 1000 Lifeforce orbs.
Find the Green Minions.
Rescue all the Minion crew from the spider webs.
Forge three weapons.
Achieve 50 kills by overcharging your Evil Presence Spell.
Rescue Kelda from Nordberg.
Complete full Tyranny over Nordberg through either Domination or Destruction.
Gather 250 Lifeforce orbs.
Forge one weapon.
Achieve 50 melee kills.
Find the Red Minions.
Gather 10 Lifeforce orbs.
Cause mayhem during the Prelude.
Unlock all Trophies available in Overlord II.
Kill Dark Fay to turn her into Ghost Fay.
Fully upgrade all 50 Minions in your Horde.
Achieve a 100% Domination Tyranny rating.
Achieve a 100% Destruction Tyranny rating.
Obtain all the Tower Objects in the game.
Collect 100% of all Dark Crystals.
Collect 50,000 gold.
Buy gifts for Ghost Fay and woo her into becoming your 'special' friend.
Win one Pirate Plunder map.
Win ten Pirate Plunder maps.
Win one Dominate map.
Win ten Dominate maps.
Kill an opposing Overlord 20 times in one versus match.
Forge the Infernal helmet and armor.
Enslave one Town.
Enslave both Nordberg and Everlight.