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Crusade - Chapter XIII
Finish the levels from Chapter XIII in Knight difficulty

Epic victory - Chapter XIII
Finish the levels from Chapter XIII in Paladin difficulty

Master of the reliquary
Gather all the fingers of Frankenstein

Trials - Chapter XIII
Complete all the trials for Chapter XIII

Gest - Chapter XIII
Finish the levels from Chapter XIII in Warrior difficulty

Skirmish - Chapter XIII
Finish the levels from Chapter XIII in Squire difficulty