As Alma and Viento advanced with the amulet in their hands, the atmosphere around the ancient temple changed rapidly. The dark energy that once dominated it slowly dissipated, replaced by a growing golden light that revealed the place's true majesty. However, the tranquility was temporary, and they both knew it.

With the traitor defeated, the next step was to restore the broken pact, but the path to redemption was far from easy. The wounds of the past still bled, and the amulet required one final sacrifice to fully release its power and restore balance.

"We must be cautious," said Alma, looking intently at the softly glowing amulet in her hand. "The inscriptions mention a sacrifice. We don't know what it entails, but it must be done to close this cycle of darkness."

"Together, we can face whatever comes," replied Viento, his voice full of determination. "We've come too far to turn back now."

They decided to explore the temple further, searching for additional clues that could reveal the exact nature of the sacrifice. Their steps echoed in the vast halls as the shadows danced on the walls, whispering secrets of the past.

They arrived at a room that seemed to have been the heart of the temple, a place of power and ancient rituals. In the center of the room, a massive stone cornerstone glowed with golden inscriptions. The engravings detailed the history of the amulet and the pact, revealing more about the necessary sacrifice.

"The bearer of the amulet must offer their own essence," read Alma aloud, her voice trembling slightly. "Only then will the balance between light and darkness be restored."

Viento frowned, trying to understand. "Does this mean one of us must...?"

"I don't know," replied Alma, her voice breaking. "But if it's the price to save our world, we must be willing to pay it."

As they tried to decipher more inscriptions, they felt a presence in the room. An ethereal figure, dressed in ceremonial robes, appeared before them. It was a guardian of the past, a specter summoned by the amulet's energy.

"Welcome, brave souls," said the guardian, his voice resonating in the air. "You have reached the end of your journey. The sacrifice is not what you think. It is not one of you, but the combined power of your souls that will seal the pact."

"What must we do?" asked Alma, her heart racing.

"Unite your souls and hearts with the amulet," replied the guardian. "Your connection is the key. The sacrifice is the union of your essences, creating an unbreakable force that will restore balance."

Alma and Viento looked at each other, feeling a wave of relief and fear at the same time. They knew their bond was strong, but now they had to strengthen it even more, facing their deepest fears and doubts.

They held hands and, with the amulet between them, began to focus on their connection. They closed their eyes and allowed their essences to intertwine, creating a pure and radiant energy. They felt their hearts beating in sync, their thoughts merging into one mind.

The room filled with light, and the amulet began to vibrate with immense energy. The guardian watched silently, his ethereal presence reinforcing the ritual. The process was intense, but Alma and Viento never let go of their hands, maintaining their unbreakable connection.

Finally, the light reached its peak, and the amulet emitted a blinding flash that filled the entire temple. Alma and Viento felt a profound peace and a sense of unity they had never experienced before. They knew they had achieved their goal.

"The pact is restored," said the guardian, his voice filled with gratitude. "Your union has saved this world. Now, the light and darkness will coexist in balance, and the amulet will be protected by your essence."

With those words, the guardian vanished, leaving Alma and Viento embraced in the center of the room. They felt the weight of the past lift and the dawn of a new era begin.