Chief among the virtues of a knight, beyond all qualities of character, is that of moral standing. Above fighters, brawlers, mercenaries, soldiers, and guards, a knight stands as a symbol of righteousness. Those knights who have pledged themselves fully to the cause bear some essence in kind with crusaders.
By aligning one's spirit with the energies of holiness and crusading, piety provides resistance to holy purging effects.
Purge resistance. Double effect vs monsters. This is the only Mysticism based skill in Knightcraft - at very high Myst, you can be completely purge immune versus monsters.
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