TV-Series
Description
Allen is the older fraternal twin born to Wyndell, the Water God, and an Etelldian human woman who died during childbirth due to complications from bearing demi-gods. Their father, residing in another dimension, was absent at their birth, leaving the twins vulnerable. A neglectful landlord sold the infants to a slave trader. Though Allen inherited dormant godly powers from Wyndell—powers that briefly manifested when he destroyed his crib in self-defense as a baby—he and his sister were confined for years in a dark basement under the slave trader's ownership. Water nagas, retainers of the Water God, monitored them from afar but could not intervene.

At age five, while being transported through the Forest of Gaia, the slave trader abandoned Allen and his sister Elena as monster bait to escape. They survived alone in the forest for years, facing monsters by awakening their latent abilities. Eventually discovered malnourished, dirty, and nonverbal by Takumi Kayano, the twins were cleansed, healed, and fed. Takumi named them Alan and Elena. They began traveling with him, gradually developing trust and forming a familial bond.

Allen possesses bright amber eyes and blue hair inherited from his divine father. After meeting Takumi, he exchanged his tattered clothing for new attire: black shorts, a blue seifuku-like shirt with white and orange outlines, and ankle-length orange-brown boots. This shirt was later replaced by a white version before traveling to Bailey.

Personality-wise, Allen exhibits the innocence and curiosity typical of his age, though his demi-god nature accelerates his learning and physical capabilities. As the older twin, he displays a protective instinct toward Elena, mirroring Takumi's guardianship. Allen overcomes shyness more readily than his sister, helping facilitate her socialization. He enjoys exploration, particularly dungeons, and shows boyish enthusiasm for "cool" objects like hawking gauntlets, aligning with his developing interests. His adventurous spirit and protective traits hint at future aspirations.

His inherited abilities include Water Magic, Martial Arts, Throw, Perception, and Resistance to Status Effects. Skills noted in his profile are Evade, Swimming, Jumping, Gather, Cooking, and Arithmetic. These powers, dormant after the crib incident, reemerged in the forest, enabling the twins to effortlessly defeat monsters like giant boars and bloody bears. Under Takumi's guidance, Allen refined these skills during their adventures.

Allen's development centers on his bond with Takumi and Elena, evolving from a traumatized, nonverbal child into an expressive adventurer who actively engages with the world while maintaining his protective and curious nature.