Board Thread:General Discussion/@comment-167.250.54.46-20200411205229/@comment-46.81.12.147-20200829140918

The color gold is said to possess spiritual power. That is also the reason why many religions IRL actually have at least some golden ornaments.

Since Alice has the highest affinity with the "Holy Arts" out of the Integrity Knights, she obtained a golden armor, that would enhance that ability.