Here is the full list of all 30 Panzer Paladin achievements.
Obtain all trophies/awards.
Break 100 weapons.
Throw 100 weapons.
Perform 10 successful parries or disarm maneuvers.
Deflect 50 projectiles.
Cast all 14 different spells.
Slay 1000 demons.
Destroy 100 walls.
Defeat The Horseman 10 times.
Defeat the Putrid Paladin.
Defeat a Weapon Keeper using only the Panzer Punch.
Defeat a Weapon Keeper under 10 seconds.
Defeat the Weapon Keepers of all World locations.
Complete all Classic story levels on easy difficulty or harder.
Complete all Classic story levels on hard difficulty.
Complete all Remixed story levels on easy difficulty or harder.
Complete all Remixed story levels with a maxed out burden hard difficulty.
Get the lawful ending.
Get the chaotic ending.
Reach a Weapon Keeper's room with no damage.
Complete a level using only the Squire.
Find all hidden treasures.
Upgrade the Paladin to its maximum health.
Forge your first weapon.
Complete a level in Speedrun mode.
Complete the Tournament mode.
Earn Bronze rank or higher 5 times. (Any extra mode)
Earn Silver rank or higher 5 times. (Any extra mode)
Earn Gold rank 5 times. (Any extra mode)
Complete a level using a Game Goblin code.