It clearly says that "They are utilized in combat both by Guardians[1] and enemy species" so "Guardians" does that mean some of the current three classes might be able to wield swords or will there be more? Im half sleep while making this post but just see for yourself on the site.
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Honestly that wiki article should have been deleted by now, we heard no info about swords (at least no resent news) so for all we know there not in.