Preoccupied by these thoughts, Cia was left vulnerable as she was confronted by a spiritual fragment of darkness, belonging to Ganondorf, who saw an opportunity in using her. His words managed to persuade her, ultimately corrupting Cia as her light was pushed away and turning her curiosity into a strong desire for the hero of legend. Ganondorf had split the light, and the light became its own personality, Lana, who became the virtuous side while Cia became the corrupt side. Desiring not only Link but also the world itself, Cia then turned to waging a war onto the kingdom of Hyrule by opening the Gate of Souls. Using the Gate, she summoned monsters from other eras to follow her command as the Dark Forces. Alongside them, she had also enlisted the service of Wizzro and Volga as well. Although not explicitly stated, Cia had at one point also managed to acquire the Triforce of Power. Ganondorf however only intended to use Cia as a puppet, directing her to acquire the full Triforce and to free his remaining scattered fragments to resurrect him.
After Link acquires the Master Sword to defeat Cia, the Hyrulean Forces travel to the Temple of Souls where Cia awaits, in a palace devoted to the hero of legend with numerous portraits of Link and statues of his incarnations from other eras. The string of victories, as well as the acquisition of the Master Sword, has left Link overconfident and proud in his abilities, which Cia sees as an opportunity to strike. She encourages him to come to her, and then takes advantage of the darkness in him to summon Dark Links. Ganondorf then shortly arrives to take the Triforce pieces, to Cia's anger. The Dark Links quickly overwhelm Link as more spawn, however, his allies then arrive to defend him and bring the Dark Links to a defeat. Cia is enraged by her foiled plan and turns to using her own darkness as a powerful source of magic, despite Lana's pleads of the dangers of this. She retreats, and Ganondorf is also shortly defeated. The Hyrulean Forces then rush to the Valley of Seers for the final fight against Cia. 59ce067264