Famitsu has shared a few more bits about Hyrule Warriors’ story.
Shia, the game’s main antagonist, was in charge of protecting the equilibrium of the Triforce. However, she developed feelings for Link and becomes jealous of his relationship with Princess Zelda.
Shia ends up becoming overcome by wickedness. With her two minions Valga and Wizro, she throws Hyrule in a state of chaos.
Link is a soldier-in-training in Hyrule Warriors. Famitsu confirms that the chain mail is his soldier-in-training gear.