Here is the full list of all 50 Throne Quest achievements.
Defeat a total of 100 enemies
Defeat a total of 500 enemies
Defeat a total of 1,000 enemies
Defeat a total of 5,000 enemies
Defeat a total of 10,000 enemies
Kill 1,000 dragons
Deep in the crypts stirs dark and dangerous foes. One beast in particular poses a formidable threat!
Defeat an enemy using a special attack
Defeat a large, golden rat
Defeat the Goblin King
Defeat the Crab King
Defeat the Skeleton Champion
Defeat the Demon Boss
Defeat the Ice Boss
Defeat the Rock Boss
Defeat the Old King
Defeat the Crypt Warrior
Defeat the Final Boss
Destroy 50 objects such as barrels, crates and baskets
Destroy 500 objects such as barrels, crates and baskets
Destroy 1,000 objects such as barrels, crates and baskets
Set a spawn point outside
Slept in a bed to catch some much needed rest
Find and open 50 treasure chests
Find and open 150 treasure chests
Find and open all the treasure chests in the world
Flip more than 25 switches
Collect 10,000 gold
Collect 100,000 gold coins
Find a level 5 weapon
Find a level 5 accessory
Purchase items from a shop 50 times
Buy an item from a skeleton
Buy an item from a demon
Sell items to a shop 100 times
Discover 10 locations throughout the world
Discover 35 locations throughout the world
Endure the depths of Crypt Pass and make it out alive to the other side
Aquire the throne
Beat the gauntlet of death and discover the hidden treasure
Achieve level 25
Achieve level 50
Achieve level 75
Achieve level 100
Level up your current weapon skill to level 20 to unlock a new skin
Level up your current weapon skill to level 40 to unlock a new skin
Level up your current weapon skill to level 60 to unlock a new skin
Level up your current weapon skill to level 80 to unlock a Golden skin
Fall down a pit
Take damage from lava